3Dviz Pro Max
viettranx/3dviz-pro-max · MIT · 404 entries
One agent skill for building 3D scenes and explainers in three.js. It carries a catalog of 223 written recipes, a kit of procedural models, lighting and camera rigs, a starter, and 37 example studies you can run.
- Get it
git clone https://github.com/viettranx/3dviz-pro-max.gitThen link or copy the whole skills/3dviz-pro-max folder into your agent's skills folder, never SKILL.md alone.
- Needs
Nothing to read the skill. Python 3 for the catalog helpers. Node with pnpm or npm for the starter and the examples. Optional: Playwright for its capture script, and Blender 4.2 or newer for its baked hero tier. The six anatomy studies need 169 MB of meshes fetched separately.
- Sends off your machine
Nothing by itself. Two things reach out only when you run them: a script that downloads the anatomy meshes from the author's bucket, and a setting that makes the anatomy studies fetch them in the browser.
- We watched it run
All 37 example studies built in 2.1 seconds, and 31 drew: cottages, a village by day and by night, a cave garden, gears, an orrery, a prism, and line-drawn math studies. The six anatomy studies showed only an error, because their meshes are not in the repo.

The coupled gears study, stepped frame by frame, gave the same picture twice. 96 frames took 25 seconds with software rendering.
- Not tried here
The skill inside an agent, so whether it makes better scenes is untested here. The 223 recipes are text, and the repo says most were never rendered. Everything that needs Blender was read, not run.
- License
MIT
That covers the repo's own code, models and stills. Not covered: the anatomy meshes it downloads (BodyParts3D, CC BY-SA 2.1 Japan, credit required), and one demo recording whose rights the README says are still to be confirmed.
Everything in it
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three.js and WebGL
- 3 by 3 cube face-turn playerModel legal outer-layer turns with exact discrete state and animate their presentation without using mesh transforms as the puzzle state. A…
- 3dviz-pro-maxOne agent skill for making 3D scenes and explainers in three.js, with Blender as an optional helper. A ten-step workflow (intent, reason…
- A Light at the DoorA close architectural lighting study of warm panes, nearby lantern light, cool rim separation, and readable door construction. Example…
- A local orientation around a Moebius bandFollow a local frame around a half-twisted ribbon and inspect the reversed seam identification. A written recipe (topology-symmetry; part…
- Across the Lantern BridgeA close bridge-and-pond lighting study with one local lantern, cool key light, and receiver-visible shadows. Example study (lighting…
- Agent Harness execution mapExplain an authored agent loop with explicit tool and observation boundaries. A written recipe (abstract-systems-data; authored): the parts…
- Arm in MotionA registered bone-and-muscle elbow study with an approximate hinge and opposing biceps/triceps shape changes. Example study (anatomy and…
- Autonomous planar phase portrait with time liftCompare phase trajectories, vector directions and a time-lifted solution for a bounded family of planar autonomous systems. A written…
- Axial tilt and seasonal sunlightCompare seasonal illumination on a tilted globe without confusing orbital distance with the cause of seasons. A written recipe…
- Baked and runtime lightmap ownershipAssign every direct, indirect, ambient-occlusion and emissive contribution to the bake or runtime before binding a lighting-only lightmap…
- Battered round stone tower kitA battered round stone tower with a corbelled crenellated crown, a conical cap and banner, arrow slits spiralling up the shaft, and an…
- bevelled-box primitiveThe base solid of every kit: a chamfered block that can carry edge wear. A building part used inside the building kits; it has no catalog…
- Bicycle drivetrain and gear ratioConnect chainring and sprocket sizes to wheel rotation through a chain that shares one linear speed. A written recipe (products-assemblies…
- Binary heap, sift operations and heapsortShow one structure in two views at once: the array indices that own the data and the tree that explains the ordering. A written recipe…
- Binomial outcomes and repeated trialsConnect independent binary trial paths to exact probabilities and observed counts. A written recipe (probability-statistics; part sourced…
- Biped walker kitA hatted village figure - tapering torso, belted tunic, two-joint legs and arms - with a procedural walk cycle whose arms counter-swing the…
- Bit-vector SMT: model, wraparound and proof boundaryKeep width, modular arithmetic, signed interpretation and solver evidence explicit. A written recipe (logic-circuits; part sourced, part…
- Bone, joint and muscle as a lever systemExpose effort, fulcrum and load geometry on a limb so a moment arm becomes a measurable distance rather than an illustration. A written…
- Boolean gate workbenchMake a combinational circuit explain its output for each input combination. A written recipe (logic-circuits; sourced): the parts to model…
- Bounded Fisher reaction-diffusion frontSimulate the one-dimensional Fisher equation on a finite interval with a declared zero-flux stencil and conservative explicit-step…
- Bounded maintenance procedure state playbackPlay a supplied acyclic maintenance procedure through tasks and exclusive decisions with evidence-gated completion, while keeping planned…
- Brachial plexus nerve routingFollow named nerve branches from the typical C5 to T1 roots through trunks, divisions and cords into the arm as an explicit route graph…
- Breadth-first search and shortest edge countsExpose discovery order, the FIFO queue and shortest paths on a small unweighted graph. A written recipe (algorithms-data-structures; part…
- Breath by BreathA registered lung-lobe study with an authored thoracic expansion field, schematic diaphragm, and directional airway cues. Example study…
- Build dependency graph and topological orderShow a build plan as a directed graph whose valid orders come from its structure, and make a cycle a reported failure. A written recipe…
- Buoyancy and floating equilibriumMake the displaced volume an explicit object so flotation becomes a balance the viewer can watch settle. A written recipe…
- Cape and hair follow-through chainsAdd trailing motion that is driven by the character rather than looped beside it, with limits that keep it from exploding. A written recipe…
- Car-following waves on a closed single laneSimulate continuous car-following on a periodic lane and connect every vehicle's motion to its bumper gap, approaching rate and declared…
- Cardiac cycle phases and valve statesDrive valve states from an explicit phase model so opening and closing follow declared pressure comparisons rather than animation timing. A…
- CF ocean-current grid particle playbackAdvect educational tracers over a supplied small regular rectilinear CF lon/lat current grid using one declared frozen local east/north…
- chimney primitiveA brick stack with corbelled courses, a stone cap and a clay pot. A building part used inside the building kits; it has no catalog record…
- Chirality and non-superimposable mirror imagesLet a viewer attempt to superimpose two mirror-image molecules and fail for a structural reason they can inspect. A written recipe…
- Classical Starling capillary exchange diagramBuild the classical two-pressure Starling teaching diagram and mark on the same scene where the revised steady-state view disagrees with…
- Clocked finite-state machine explorerSeparate present state, next state and committed clock transitions. A written recipe (logic-circuits; sourced): the parts to model, the one…
- Commutators and conjugates as piece toolsBuild move sequences that touch few pieces and show why the algebraic form produces that effect. A written recipe (twisty-puzzles…
- Complex ObservatoryA Riemann-sphere study comparing z and 1/z through stereographic projection. Example study (mathematics): a few KB of scene code on the…
- Conifer with countable boughs kitA conifer with a flared root collar, a leaning tapered bole and eight whorls, each a skirt with nine boughs poking past it, with sway(dt)…
- Convex hull of a point cloudBuild the hull of an editable point set and keep its degenerate outcomes visible instead of hiding them. A written recipe (solid-geometry…
- Cool dawn with a pale low key and standing mistKeep the ambient cool and blue while a pale low key just begins to warm the surfaces it touches. A lighting profile record: a creative…
- Coopered barrel kitA coopered oak barrel with bulged staves, four iron hoops and a three-plank head, parameterised by height, radius, stave count, bulge and…
- Coupled gear kinematicsDrive meshing gears from a shared angular constraint with inspectable pitch circles. A written recipe (rigid-mechanics; sourced): the parts…
- Coupled GearsA machined steel-and-brass spur-gear study with a continuously enforced 3:2 speed ratio. Example study (physics and mechanisms): a few KB…
- Covariance ellipsoid and principal axesShow a point cloud together with the ellipsoid built from its covariance, keeping sample estimate and population parameter distinct. A…
- CP and Tucker tensor component reconstructionReconstruct a small explicit third-order tensor from supplied CP factors or a Tucker core and factors, linking component terms, slices and…
- Critical path and combinational delayMake timing a property of paths through a circuit, with the longest path selected by summation rather than by appearance. A written recipe…
- Critical points and the second derivative testClassify stationary points on a surface from the discriminant, and show the inconclusive case as a real outcome. A written recipe…
- Cross product orientation and areaLink ordered vectors, their normal and spanned parallelogram. A written recipe (linear-algebra; sourced): the parts to model, the one state…
- Cubic unit-cell atom accountingExpose shared atom fractions across repeated cubic cells. A written recipe (molecules-materials; sourced): the parts to model, the one…
- Curl and circulation around a loopCompare a local curl component with circulation per unit area, distinguishing the finite-disk average from its shrinking-disk limit. A…
- Dark studio product light from three soft boxesShape a product against a dark ground with three rectangular soft boxes whose reflections describe the form. A lighting profile record: a…
- Delaunay tetrahedra and the empty sphere propertyPartition space around a point set and let the defining empty-sphere condition be tested rather than assumed. A written recipe…
- Dental bite and moving-hinge illustrationIllustrate a supplied mandible pose sequence against a fixed skull while making translation and the limited meaning of a hinge axis…
- Deposited protein binding-site inspectionInspect a ligand and nearby residues from a supplied authoritative deposited structure while preserving atom, assembly and model metadata…
- Desired state, observed state and a reconciliation loopModel an operator loop where the difference between requested and observed state drives every action taken. A written recipe…
- Determinant and parallelepiped volumeCompare signed determinant with nonnegative geometric volume. A written recipe (linear-algebra; sourced): the parts to model, the one state…
- DICOM registration landmark residual inspectorApply a supplied DICOM Spatial Registration matrix chain between original Frame-of-Reference UIDs and show illustrative paired-landmark…
- Differential-drive command and odometry viewDistinguish requested motion, applied wheel motion and estimated pose in a teaching mobile robot. A written recipe (robotics-control…
- Dijkstra distances and edge relaxationCompare tentative distances with settled shortest distances while stepping edge relaxations. A written recipe (algorithms-data-structures…
- Direct-manipulation cube turnsTranslate face gestures into legal discrete moves while separating camera orbit. A written recipe (twisty-puzzles; sourced): the parts to…
- Directional derivative on a quadratic surfaceRotate a direction on a height field and compare the measured slope with the gradient dot product. A written recipe (calculus-fields; part…
- Divergence and outward flux through a boxCompare face-by-face flux with the volume integral of divergence for a linear field. A written recipe (calculus-fields; part sourced, part…
- Divergent ridge and crust-age bandsExpose the distinction between prescribed plate separation, newly formed crust and a computed geodynamic solution. A written recipe…
- door-with-step primitiveA plank door recessed in its opening, with iron straps, a ring handle, a stone threshold and a step that breaks the wall plane at the…
- Double-cone section explorerRelate a movable plane to its intersection with a double cone. A written recipe (solid-geometry; sourced): the parts to model, the one…
- Dry-skull foramina exploded route atlasInspect a licensed supplied adult dry-skull teaching mesh using curated cranial-fossa aperture labels and internal/external route anchors…
- Eclipse shadow cones and node alignmentBuild the shadow as real cones between finite bodies so partial, total and annular conditions follow from which cone contains the observer…
- Eigenvectors as invariant directionsSweep a direction through space and stop where the mapped vector stays on its own line, with the scale factor read from the same event. A…
- Elastic and inelastic collisions in spaceCompare momentum and kinetic energy across a one-dimensional central collision so that what is conserved and what is not becomes…
- Electric field from two stationary chargesAdd two point-charge field contributions and distinguish direction from magnitude near singularities. A written recipe…
- Embedding projection inspectorExplore a projection while retaining access to original vector relationships. A written recipe (abstract-systems-data; sourced): the parts…
- Emissive practical and scene-light balanceSeparate the visible glowing surface of a practical fixture from the mechanism that illuminates nearby receivers, then tune them under one…
- Enhanced DICOM acquisition-frame inspectorInspect a supplied Enhanced CT object through shared/per-frame functional groups and dimension-index presentation while preserving original…
- Environment IBL and direct-shadow ownershipAssign environment lighting, roughness prefiltering, direct lights and shadow maps separate jobs so a Blender HDR look becomes a controlled…
- Environment-led studio lighting for physically based materialsLet a controlled environment carry most of the illumination, and add discrete lights only for the shaping the environment cannot supply. A…
- Exact cover packing with a real searchKeep the search honest: a packing scene either runs a real backtracking search or replays a recorded one, and says which. A written recipe…
- Expression rig with attention and gazeGive a character a small, well-chosen set of expression controls and let attention drive where those controls are aimed. A written recipe…
- Finite irrigation scenario-envelope comparisonRun the existing bounded root-zone budget over a finite supplied set of provenance-labeled scenarios under one shared forcing schedule…
- Finite-window FFT spectrum and inverse reconstructionCompare one finite sampled signal under rectangular and tapered windows, reconstruct the exact windowed samples by inverse DFT, and…
- Fitting the shadow volume to the scene that needs itSize the shadow-casting volume to the region that actually needs shadows, then spend resolution and bias inside that budget. A lighting…
- Five-bay timber long hall kitA five-bay timber long hall with two doors, a covered porch, a hanging sign and a chimney at each end of the ridge, parameterised by width…
- Fixed lighting rig for one-variable comparisonFreeze every lighting and output setting so that a difference between two views can only come from the thing being compared. A lighting…
- Flat layered attenuating seismic raysTrace one declared P or S geometric ray through flat constant-velocity layers while keeping travel time, interface refraction and…
- Flat-pack furniture assembly sequenceTurn an assembly into an ordered, checkable sequence where each step consumes real parts from a visible inventory. A written recipe…
- Flow direction, accumulation and stream networksDerive drainage from a terrain grid so that a stream network is the result of a stated rule and a threshold, not a painted line. A written…
- Flow rate through a narrowing conduitCompare cross-sectional average speeds while a fixed volume flow passes through different pipe areas. A written recipe (soft-fluid-thermal…
- Fog with visible light shafts through openingsPut a low key behind an occluder and raise the fog until the beams between the openings become the subject. A lighting profile record: a…
- Folding desk lamp articulationExplore a designed lamp by moving its hinges within a declared motion envelope. A written recipe (products-assemblies; authored): the parts…
- Forced damped rectangular-room modal responseDrive a finite set of analytic rectangular-room modes with declared modal mass, damping and coupling rather than inferring loss from wall…
- Fourier harmonic synthesis with complex phasorsConnect a finite bank of odd harmonics to a square-wave approximation and expose truncation near jumps. A written recipe…
- Fourier SculptureA phasor-chain and trace showing finite odd-harmonic synthesis of a square wave. Example study (mathematics): a few KB of scene code on the…
- Garden creature route and gaitMake a small fictional quadruped travel a route with readable foot placement and stopping. A written recipe (characters-motion-art…
- Geographic and projected coordinate framesShow the globe and its projected plane at once so distortion becomes something measured rather than described. A written recipe…
- Glacial rock cluster kitA scatter of part-buried boulders built from five facet-jittered shapes and a pebble ring, parameterised by count, spread and seed, with an…
- Golden hour dusk with a low warm keySet a low warm sun against a cool sky fill so long shadows describe the ground and every vertical picks up a rim. A lighting profile…
- Guided vehicle traffic with zone reservationGive vehicles a reservation rule that they must obtain before entering shared space, so traffic behavior has an inspectable cause. A…
- Gyroscopic precession and angular momentumShow a torque changing the direction of angular momentum rather than speeding the spin, and keep the fast-spin assumption visible. A…
- Hanging signboard kitA hanging tavern sign: stepped stone foot, timber post, a scrolled iron bracket and a bevelled board with a raised border and a carved boss…
- Heart chamber cutawayReveal four chambers without confusing presentation layers with tissue motion. A written recipe (anatomy-structures; sourced): the parts to…
- Heat diffusion along a rod with fixed end temperaturesWatch an exact temperature mode decay while the rod itself stays geometrically fixed. A written recipe (soft-fluid-thermal; part sourced…
- Hepatic portal blood routeShow a named venous route that passes through two capillary beds before rejoining the systemic return. A written recipe…
- Hydrostatic pressure at equal depthCompare pressure probes at the same depth in differently shaped stationary containers. A written recipe (soft-fluid-thermal; part sourced…
- Ideal pendulum with measurable stateRelate angular state to bob motion and distinguish small-angle approximation. A written recipe (rigid-mechanics; sourced): the parts to…
- Ideal vessel radius and resistanceCompare how an ideal tube model changes resistance when radius changes. A written recipe (physiology-biomechanics; sourced): the parts to…
- Imported 3×3 state and solver-result verificationParse an imported 3×3 state independently of local move history, validate inventory and reachability, call a versioned solver adapter, then…
- inset-window primitiveA window recessed behind the wall face: reveal, frame, glazing bars, emissive glass, sill board and its drip groove. A building part used…
- Inside a SarcomereA reduced longitudinal model showing filament overlap as Z discs approach without shortening actin or myosin. Example study (anatomy and…
- Inside the BrainA registered-anatomy inspection of selected cortical gyri, white matter, cerebellum, and brainstem components. Example study (anatomy and…
- Inspection lighting for surface features and normalsUse a deliberately unflattering light and a normal-revealing pass to find geometry defects that a good-looking hero light hides. A lighting…
- Instanced water reeds kitA clump of instanced reed blades on a faceted tussock, with seed heads carried on the blade tips and an animate(dt) that bends every blade…
- Interlocking burr and its disassembly orderDesign an interlocking puzzle whose only freedom at each step is a short list of legal slides, and expose that list. A written recipe…
- Inverse-kinematics target and residualMake numerical target solving visible, including residuals and non-convergence. A written recipe (robotics-control; sourced): the parts to…
- Iron post lantern (blender gltf) kitA Blender-authored wrought iron post lantern exported as a 136 KB GLB: post on a stepped base, brass collars, hook arm with a diagonal…
- Job shop schedule and solver boundaryPlay back a schedule that a solver produced, and keep the boundary between solving and animating visible. A written recipe…
- Kepler ellipse with equal-time swept areasAdvance a body nonuniformly around an ellipse and compare sectors swept in equal time intervals. A written recipe (astronomy-space; part…
- Kinetic typography stage with readable alternativesAnimate authored words and phrases in 3D while preserving reading order, pause control, captions and a static text representation. A…
- kit-core.jsThe shared helpers every kit module imports: a material cache, a seeded random generator, a bevelled box, an inset panel, a wall with real…
- kit-surface.js (procedural surface, tier T2)Gives a flat-colored kit a drawn surface with no image files: seeded albedo, normal and roughness canvases for seven families (wood…
- kit-walk.js (gait maths)Three pure helpers behind the two walkers: twoBoneIk, footCycle and routeStep. The walk advances by distance traveled over stride length…
- KMP pattern DFA: prefix recovery on mismatchDerive transition behavior from a concrete pattern and explain why a mismatch can preserve a partial match. A written recipe…
- Knee structures with layer peelInspect the joint interior through reversible layer visibility. A written recipe (anatomy-structures; sourced): the parts to model, the one…
- Kruskal, union-find and the cut propertyShow component membership as a first-class object so that rejecting an edge has a visible reason. A written recipe…
- Lantern keeper puppet performanceStage a readable miniature greeting with distinct anticipation, gesture and settle poses. A written recipe (characters-motion-art…
- Lanterns by the RiverA cool moonlit village composed around warm pools of lantern light and darkness between them. Example study (lighting studies): a few KB of…
- Layered atmosphere absorption-only chordIntegrate a fixed straight chord through concentric piecewise-homogeneous absorbing shells and accumulate optical depth with Beer–Lambert…
- Layered maze route puzzleNavigate a designed stacked maze while retaining an exact cell-and-link path history. A written recipe (spatial-puzzles; authored): the…
- Light Through MatterA planar ray-tracing bench for refraction, total internal reflection, and optional illustrative dispersion. Example study (physics and…
- Lighting a closed transmissive volumeGive a transparent enclosure something worth transmitting: a lit backdrop, a lit interior and edges that stay readable. A lighting profile…
- lighting-night-lantern.jsNight made of falloff: a weak blue moon, a dim hemisphere fill and up to twelve warm lantern point lights with physical decay (60 cd at 2.4…
- lighting-studio.jsA dark product studio: RoomEnvironment at low intensity plus three RectAreaLight panels (key, fill, rim, about 3 to 1) and one contact…
- lighting-sun.jsOutdoor key, fill and rim. The defaults are dusk golden hour (a warm sun 6 degrees above the horizon, key to fill about 6 to 1); an…
- Linear transformation in three dimensionsConnect a real 3 by 3 matrix to transformed basis arrows, vectors, and a reference shape using one shared mapping. A written recipe…
- Loading dock resource schedulingShow contention for invented dock resources with inspectable event timing. A written recipe (operations-logistics; authored): the parts to…
- Local reflection and probe spatial scopeChoose and label the spatial approximation for local reflections or diffuse irradiance: global environment, positioned cubemap capture…
- Magnetic AtelierAn ideal current-loop field study with numerical streamlines and an exact on-axis probe readout. Example study (physics and mechanisms): a…
- Magnetic field of a current loopBuild a field around a real conductor path and keep the on-axis analytic result distinct from off-axis numerical sampling. A written recipe…
- Mandelbrot escape-time map and iteration orbitClassify sampled parameters by detected escape and show unresolved finite-budget samples honestly. A written recipe (calculus-fields…
- Manifoldness, orientation and mesh validityMake mesh validity inspectable: combinatorial manifoldness, consistent orientation and geometric self-intersection are three different…
- Markov chain distribution and convergenceSeparate a single random walker from the distribution over states, and compare convergence or oscillation under a declared transition…
- Mass-spring cloth and its solver contractTreat cloth as a solver with declared parameters: what is integrated, at what step, and what makes it explode. A written recipe…
- Membrane ModesAnalytical normal modes of a fixed circular membrane with visible nodal lines and slowed display motion. Example study (physics and…
- Memory allocation: one first-fit fragmentation traceReplay one address-ordered heap so allocation failure, internal waste and external holes remain distinct. A written recipe…
- Minkowski sum and clearance envelopesTurn a clearance question into a solid: grow an obstacle by a moving part so the answer becomes a containment test. A written recipe…
- Modular camera rig compatibilityCreate an invented accessory rig with explicit slot rules and reversible changes. A written recipe (products-assemblies; authored): the…
- Molecular shape and electron-pair geometryContrast methane and water while distinguishing atoms from electron-pair guides. A written recipe (molecules-materials; sourced): the parts…
- Monte Carlo volume estimate with an intervalEstimate a volume by sampling a bounding box and keep the uncertainty attached to every reported number. A written recipe…
- Moon phases from an observer viewpointLink an external Sun-Earth-Moon diagram with the lunar disk seen by an Earth observer. A written recipe (astronomy-space; part sourced…
- Moulded enclosure with draft, ribs and bossesModel a plastic housing whose features carry the reasons they exist: pull direction, draft, wall thickness and stiffening. A written recipe…
- Multi-head attention comparison without head averagingCompare two to eight supplied attention heads from their separate projections through concatenation and the output projection while…
- Museum visitor evaluation event playbackReplay supplied or synthetic route and object-inspection events with provenance and missing-data states, without fabricating visitors or…
- Music structure mapped into a spatial sceneMap supplied musical events and sections to authored spatial parameters while keeping timing data, audio playback and visual interpretation…
- Nailed shipping crate kitA nailed shipping crate of horizontal planks between four corner posts, with a diagonal brace and a battened lid, parameterised by size…
- Natural deduction: proof trees and assumption scopeInspect why each inference is licensed and which assumptions remain open. A written recipe (logic-circuits; part sourced, part authored)…
- Newton basins for z cubed minus oneIterate Newton’s rule for f(z)=z^3-1 on a finite complex grid, classify only tolerance-confirmed roots, and lift one selected orbit without…
- Night lit by lanterns and a thin moonLight a night scene from warm practicals at human height with only a thin cool moon as key, so the lanterns carry the composition. A…
- Noir single hard key with a controlled black levelLight from one hard source at a steep ratio and let most of the frame fall away, while holding the black level just above zero. A lighting…
- Normal density and interval probabilityMove interval boundaries under a normal curve while separating density height from probability area. A written recipe…
- Normal modes of a rigid rectangular roomInspect one analytic pressure eigenmode in a lossless rigid rectangular room, with its frequency, signed spatial lobes and nodal planes…
- Observer-frame constellation and horizon playbackTransform supplied catalog directions and constellation line identities into an observer horizon frame at declared site and times…
- One-bit full adderConnect sum and carry outputs to all three input bits. A written recipe (logic-circuits; sourced): the parts to model, the one state that…
- Open-boundary signal queue playbackCompare finite supplied signal plans on an open movement network with explicit arrivals, routes, storage and saturation-service inputs…
- Orbital ClockworkA coplanar Kepler-orbit study for Mercury through Mars with an equal-time swept-area inspection. Example study (physics and mechanisms): a…
- Orbital elements and orbit shapeGive each defined geometric orbital element a control, with explicit circular and equatorial conventions for undefined elements. A written…
- Orbital isosurfaces: phase versus probabilityCompare signed orbital-amplitude contours with the non-negative squared amplitude of one supplied, identified one-particle orbital grid. A…
- Orthogonal projection and the residual vectorMake the residual the visible subject: the shortest connection from a point to a subspace is perpendicular to it. A written recipe…
- Overcast daylight with no cast shadowsUse a bright cloud deck as the whole source so form reads through soft gradients and occlusion instead of cast shadows. A lighting profile…
- P and S plane waves in an isotropic elastic solidCompare homogeneous isotropic P and S plane waves through particle displacement, propagation direction and modulus-dependent speed in a…
- Paddock fence run kitA paddock fence of instanced posts carrying three sagging rail courses, parameterised by length_m, post count, height, sag and seed. A…
- Pallet build with stability rulesBuild a load where each placement is checked against authored stacking rules, so a pallet is a validated structure rather than a pile. A…
- Parcel sorter event playbackFollow parcels through an invented sorter whose routing decisions and queues are inspectable. A written recipe (operations-logistics…
- Path, time scaling and joint limitsSeparate the geometric path from the schedule along it, so speed limits change timing without changing the path. A written recipe…
- Pegged clothesline kitTwo braced poles carrying a sagging line of pegged washing, each sheet at its own width, drop, yaw and lean, parameterised by span, height…
- Periodic trajectory: temporal unwrappingSeparate wrapped cell images from one conditionally reconstructed continuous path in a fixed orthorhombic cell. A written recipe…
- Petri nets: weighted firing and markingsMake enabling, conflict and marking updates visible without confusing moving beads with tokens in transit. A written recipe…
- PID joint control with saturationShow a controller responding to error, and let integral action and torque limits change the outcome visibly. A written recipe…
- Piece permutation cycle explorerShow where pieces move without mistaking position cycles for complete puzzle state. A written recipe (twisty-puzzles; sourced): the parts…
- Pipelining, latency and throughputSeparate how long one item takes from how often items finish, and tie both to the slowest stage. A written recipe (logic-circuits…
- Polarization and Malus lawTrack a transmission axis in three dimensions and derive intensity from the angle between axes rather than from an artistic dimming. A…
- Polycrystalline grains and slip planesShow a polycrystal as differently oriented lattice domains and make slip planes a property of orientation rather than a texture. A written…
- Polyhedron net foldingKeep face identity and shared edges visible while unfolding a solid. A written recipe (solid-geometry; sourced): the parts to model, the…
- Portable speaker exploded assemblyExplain the authored part hierarchy of a small speaker through reversible separation. A written recipe (products-assemblies; authored): the…
- Precomputed flow field playbackPlay back a computed flow field as data with provenance, and refuse to let the viewer treat playback as live simulation. A written recipe…
- Predator-prey cycles in phase space and model timeLink an idealized two-population interaction model to its time series, phase portrait and bounded time-lifted trajectory without presenting…
- Probability in GlassA seeded three-dimensional Gaussian sample with a covariance ellipsoid and marginal-density floor curves. Example study (mathematics): a…
- Profile to solid of revolutionConnect a nonnegative profile, its sweep and volume slices. A written recipe (solid-geometry; sourced): the parts to model, the one state…
- Projectile trajectory and first contactKeep position, velocity and acceleration consistent through ballistic flight. A written recipe (rigid-mechanics; sourced): the parts to…
- Protein secondary structure ribbonBuild a cartoon protein view whose helices and strands come from annotated structure rather than from decorative shapes. A written recipe…
- Pyraminx legal-move state and turn playerDrive a tetrahedral twisty puzzle from versioned discrete piece permutations and orientations, including distinct main-layer and tip moves…
- Quadratic Julia filled-set escape inspectorHold one quadratic parameter fixed, vary the initial complex point, and inspect detected escape without confusing the dynamical plane with…
- Quadruped walker kitA four-legged village animal - barrel body, arched neck, horned head, three-segment legs and a tail - with a procedural diagonal-pair walk…
- RAG retrieval and provenance inspectorInspect one query's ranked passages, its fixed top-k retriever prior, and separately defined latent-document contributions in a bounded RAG…
- railing primitiveA run of railing in two builds: turned balusters, or a solid parapet with coping. A building part used inside the building kits; it has no…
- Reachable cube states and their invariantsLet a viewer build an impossible cube on purpose and have the model name which invariant is broken. A written recipe (twisty-puzzles…
- Reachable workspace and singular configurationsMap where an arm can reach and mark the configurations where it loses a direction of motion. A written recipe (robotics-control; sourced)…
- Reaction coordinate: sourced energy profilePlot supplied energy samples against one declared coordinate without turning interpolation or a sampled peak into a mechanism. A written…
- Reactive trajectory: explicit topology changesPreserve atom identity and sourced bond events across frames without guessing reaction chemistry from distance. A written recipe…
- Reciprocal complex mapping on the Riemann sphereRelate a bounded complex-plane viewport to the unit sphere and show how reciprocal mapping exchanges zero and infinity. A written recipe…
- Recursion, call stack and backtrackingBuild the call stack as a physical stack so that returning is popping, and let a backtracking search grow and prune it. A written recipe…
- Reference frames and time for orbital scenesMake the frame an explicit object: the same trajectory drawn in an inertial and a rotating frame looks completely different, and both are…
- Refraction at a planar interfaceChange the incident angle and indices while measuring both rays from the same surface normal. A written recipe (waves-optics-fields; part…
- Replicated log and leader-based consensusGive each replica its own visible log so agreement becomes a comparison between logs rather than a claim. A written recipe…
- Reversible guided layer-method tutorialTurn a declared beginner layer sequence into inspectable goal predicates, legal move demonstrations, learner commits, hints and exact…
- Ribbon motion sculptureCompose a layered ribbon installation whose form can be explored without hiding its control curve. A written recipe (characters-motion-art…
- Rigid robot contact task executionInspect a bounded rigid robot approach/contact/hold/retreat task whose controller, collision solver and state transitions have separate…
- Robot arm forward-kinematics framesConnect joint coordinates to an articulated arm and inspectable endpoint frame. A written recipe (robotics-control; sourced): the parts to…
- Rolling without slipping and the inertia raceRace bodies of equal mass and radius down one incline so the only difference is where their mass sits. A written recipe (rigid-mechanics…
- roof-tile-strip primitiveOne roof slope as lapped tile courses in a single InstancedMesh. A building part used inside the building kits; it has no catalog record or…
- Room acoustics through first-reflection image sourcesReveal direct and single-wall specular paths in a rectangular room, with travel delays rather than a claimed wave solution. A written…
- Root-zone irrigation water budgetBalance daily root-zone depletion from rain, runoff, irrigation, capillary rise, evapotranspiration and deep percolation while keeping…
- Round-crowned broadleaf tree kitA broadleaf tree with a flared root collar, a four-segment leaning trunk, four branches and a crown of seven overlapping canopy lobes, with…
- Saddle-node normal form branch and bounded time traceExplore dx/dt=r-x^2 only on a declared bounded state/time window, linking its equilibrium branch, derivative stability and time trace…
- Sampling means from a skewed populationCompare individual Bernoulli draws with the distribution of repeated sample means. A written recipe (probability-statistics; part sourced…
- Sarcomere sliding filament comparisonCompare relaxed and shortened sarcomeres without shrinking the filaments themselves. A written recipe (physiology-biomechanics; sourced)…
- SAT: a model versus a checked refutationSeparate one successful assignment from a proof that no assignment can work. A written recipe (logic-circuits; part sourced, part…
- Segmental-arch stone bridge kitA single segmental-arch stone bridge with a voussoir ring and raised keystone, coursed spandrels, four cutwaters, a cobbled deck and a…
- SensorThings telemetry freshness and ordering viewReconcile a finite supplied SensorThings observation stream into stable scene objects while preserving phenomenon, result and arrival times…
- Service graph with trace inspectionConnect service nodes to observed trace relationships while exposing incomplete coverage. A written recipe (abstract-systems-data…
- Setup, hold and the clock period budgetShow a register timing budget as a scene where violating a window has a visible, named consequence. A written recipe (logic-circuits…
- sign primitiveA hanging trade sign: wrought bracket, eye hooks, a framed board and a painted field. A building part used inside the building kits; it has…
- Signed double integral as a column sumPartition a rectangular domain into signed columns and compare numerical quadrature with an analytic integral. A written recipe…
- Simply supported bridge load-path beam modelCompute reactions and one section response for declared point loads on a simply supported beam without presenting the result as structural…
- Single attention-head value aggregationConnect one query row's scaled query-key scores and softmax weights to the weighted sum of value vectors produced by one attention head. A…
- Single-qubit pure and mixed states on the Bloch ballRelate a single-qubit density matrix to a point in the Bloch ball and distinguish pure-state phase from statistical mixing. A written…
- Single-qubit quantum-channel mapApply a supplied finite Kraus representation to single-qubit density matrices and compare the input Bloch ball with the channel output…
- Singular value decomposition as orthogonal map, scale, orthogonal mapDecompose one matrix into three visible stages, keep reflections visible as legitimate orthogonal factors, and connect the ellipsoid…
- Skeletal hierarchy explorerConnect named bones to axial and appendicular groupings. A written recipe (anatomy-structures; sourced): the parts to model, the one state…
- Sliding block escape boardSlide authored rectangular blocks along constrained axes toward a visible exit. A written recipe (spatial-puzzles; authored): the parts to…
- Small neural-network forward activationsMake every affine contribution, pre-activation, ReLU result, and output of a small two-layer network inspectable for one input. A written…
- SMT arithmetic: integer and real modelsCompare exact arithmetic domains and preserve solver uncertainty in the display. A written recipe (logic-circuits; part sourced, part…
- Space, RewrittenAn interactive geometric SVD showing a sphere transformed by Vᵀ, Σ, then U. Example study (mathematics): a few KB of scene code on the…
- Spectral transitions: mixed orbital contributionsKeep calculated transition energies and strengths tied to method output while showing that an excited state may mix several orbital pairs…
- Square symmetries as exact permutationsApply rotations and reflections to labeled square corners and compare operation order. A written recipe (topology-symmetry; part sourced…
- Stable mergesort with persistent item identityTrack duplicate-valued items through recursive splitting and stable merging. A written recipe (algorithms-data-structures; part sourced…
- Stage previsualization with a versioned cue stackCoordinate performer blocking, camera, lighting and scenic cues in a reversible previsualization without claiming live show-control…
- stairs primitiveA straight flight: treads, real risers, a raking stringer and worn nosings. A building part used inside the building kits; it has no…
- Standing wave modes on a fixed stringReveal stationary nodes while particles of a string oscillate transversely. A written recipe (waves-optics-fields; part sourced, part…
- Stellar parallax and observation baselineCompare two lines of sight from opposite orbital positions and keep the half-angle convention explicit. A written recipe (astronomy-space…
- Stone draw-well kitA stone draw-well: three courses of dressed blocks under a coping ring, two posts, a shingled gable roof, a cranked windlass with coiled…
- Stone guildhall (blender gltf) kitA Blender-authored stone guildhall exported as a 661 KB GLB: plinth, string course, capped chimney, a twelve-course tiled gable roof…
- Streamflow guidance playback on a river networkPlay modeled streamflow over a river network while keeping guidance, observation and visualization clearly separated. A written recipe…
- Streamlines, trajectories and integrator errorSeparate the field itself from the numerical path traced through it, and keep the step size visible as a modeling choice. A written recipe…
- Stylised outdoor daylight with one committed sunCommit to a single sun direction and a sky fill, and keep every shadow, highlight and painted-in cue consistent with it. A lighting profile…
- Supplied brain-atlas region inspectionInspect regions from a supplied validated atlas label volume and label table without generating or relabeling anatomy. A written recipe…
- Supplied OpenSim muscle wrapping-path playbackPlay supplied OpenSim muscle-tendon path samples across one bounded joint coordinate, preserving body frames and point identity without…
- Symmetry operations found under a toleranceApply candidate symmetry operations to a 3D arrangement and let the tolerance that decides success be an explicit control. A written recipe…
- Temporal shadow and exposure stabilityKeep moving-camera and moving-light results stable by fitting shadow coverage, tuning bias against visible geometry, declaring shadow-map…
- Terrain contours linked to a height fieldConnect equal-elevation contour lines with horizontal slices through a labeled synthetic terrain. A written recipe (earth-environment; part…
- The Carpenters’ Long HallA long-form timber hall miniature with repeated structural bays, roof courses, framed openings, and supported entry details. Example study…
- The Chaos DeskTwo independently integrated double pendulums reveal divergence from a controlled angular difference. Example study (physics and…
- The Copperleaf CottageA close-readable architectural miniature with layered roofing, closed gables, timber structure, glazing, and a supported porch. Example…
- The DifferentialAn equal-side-gear differential whose wheel and carrier speeds share one kinematic constraint. Example study (physics and mechanisms): a…
- The Harvest CounterA compact market stall with a thick scalloped awning, timber supports, recessed trays, and hand-scale produce. Example study (crafted…
- The Lamplighter’s LanternAn octagonal iron-and-brass lantern with thin glazing, scrollwork, rivets, and restrained flame motion. Example study (crafted worlds and…
- The Last LightA blue-hour direction study with a low amber key and cool sky fill over Copperleaf Hollow. Example study (lighting studies): a few KB of…
- The Living HeartA registered-anatomy heart study with an anterior cutaway, selected vessels and valves, and an authored cardiac-cycle pose. Example study…
- The Mill After DarkA close night study of a detailed mill wheel, warm local light, cool timber and water, and distinct bulb/receiver behavior. Example study…
- The Moonwatch TowerA tapered masonry watchtower with staggered courses, gallery rail, framed windows, and a copper roof. Example study (crafted worlds and…
- The Moonwood StagA procedural forest-spirit character with branching antlers, split hooves, layered mane, and restrained planted motion. Example study…
- The Moving KneeA registered bone assembly for resting, exploded, and approximate hinge inspection of the knee. Example study (anatomy and physiology): a…
- The Neural SignalAn authored multipolar-neuron illustration with a directional signal marker, myelin, and terminal branches. Example study (anatomy and…
- The Qubit CompassAn interactive pure-state Bloch sphere with angular controls and basis probabilities. Example study (mathematics): a few KB of scene code…
- The Stonewright GuildA stone-dominant guildhall miniature with a broad facade, layered gables, timber accents, glazing, and brass details. Example study…
- The Topology AtelierAn analytic Möbius ribbon, torus-cycle, and trefoil traversal study. Example study (mathematics): a few KB of scene code on the shared…
- The Windwritten TreeA branching procedural tree with exposed roots, fine twigs, oriented leaves, and deliberately open canopy gaps. Example study (crafted…
- The Wishing WellA masonry well with visible water, open bucket, rope coil, metal hoops, and a supported pitched roof. Example study (crafted worlds and…
- Three-qubit GHZ correlation inspectorInspect an ordered three-qubit GHZ state through its eight amplitudes, one- and two-qubit reductions and exact three-body Pauli parity…
- timber-cottage-t3 (baked hero GLB)The T3 hero: the cottage module's own geometry, baked in Blender. A 1.8 to 1.9 MB GLB: bevelled edges, one UV atlas, baked color, occlusion…
- timber-frame primitiveExposed half-timber framing that stands proud of a wall face. A building part used inside the building kits; it has no catalog record or…
- Timber-framed cottage kitA two-bay timber-framed cottage with a tiled gable roof, inset windows and a chimney socket, parameterised by width, depth, storeys, roof…
- Time of day as a sun arc: elevation, colour and shadow lengthPick one sun elevation and azimuth for the hour you want, then read key color, intensity and shadow length off a single table so every…
- Timed colored Petri net: bindings and model timeBind typed token values and advance an explicit model clock without turning animation duration into net semantics. A written recipe…
- TLS 1.3 message state: bounded server-authenticated handshakeTeach a bounded TLS 1.3 message order with public metadata and explicit external-verification gates. A written recipe…
- Torque-driven planar four-bar dynamicsIntegrate one planar four-bar generalized coordinate from applied torque while solving loop closure on a locked assembly branch. A written…
- Torus cells and Euler characteristicCount unique cells on a periodic torus mesh and compare them with the identified parameter rectangle. A written recipe (topology-symmetry…
- Towers of Hanoi and its optimal move boundLet a viewer play the puzzle while the known minimum move count stays visible as a target rather than a decoration. A written recipe…
- Training trajectory checkpoint inspectorInspect a trusted pre-extracted sequence of model checkpoints through comparable metrics and one fixed declared projection without loading…
- Trefoil knot, crossings and invariantsKeep the spatial curve and its projected diagram in one scene, so a crossing count belongs to the projection and not to the knot. A written…
- Trestle market stall kitA trestle market stall with a striped canopy that sags between its posts, a scalloped valance, a plank counter on trestles, crates, sacks…
- Twisty-puzzle mechanism cutaway and turn explanationUse a patent-grounded 3×3 mechanism example to explain how centers, sliding piece connectors and an interior element retain pieces while a…
- Two-parameter loss slice and gradientDistinguish a true two-parameter loss from a two-direction slice through a higher-dimensional model and show gradients in the coordinates…
- Two-qubit Bell-state marginals and joint correlationsInspect a normalized four-amplitude two-qubit state through its two reduced states and joint Pauli correlations, with Bell presets that…
- Two-qubit mixed-state partial-transpose inspectorInspect a supplied two-qubit density matrix, its reductions and partial-transpose spectrum with the exact 2×2 Peres-Horodecki separability…
- Two-slit interference and single-slit diffractionKeep slit separation and slit width as separate controls so the fringe pattern and its envelope have separate causes. A written recipe…
- Two-wheeled farm cart kitA two-wheeled farm cart with eight-spoke wheels, a planked bed, side stanchions and draught shafts, with an animate(dt) that rolls the…
- Underwater light from the surface with dense blue extinctionDrop the key almost overhead, tint everything toward blue-green and let dense fog remove anything past a short distance. A lighting profile…
- Unlit encoding when colour carries the measurementWhen color encodes a quantity, remove shading from the encoded surface so that illumination cannot be mistaken for value. A lighting…
- Upper-body Muscle AtlasA source-registered inspection atlas for selected upper-body muscle portions and their skeletal framework. Example study (anatomy and…
- Ventilation pressure and motion phasesConnect an illustrative thorax motion to pressure direction and airflow phase labels. A written recipe (physiology-biomechanics; sourced)…
- Versioned branching-story save migrationMigrate a saved branching-story state through explicit schema versions, preserving immutable source data and rolling back on unknown or…
- Vertebral column regions, curves and disc structureBuild a segmented spine whose regional counts and curvatures stay correct while an authored flexion envelope is explored. A written recipe…
- Voxel packing tray puzzlePlace authored polycube pieces into a small grid volume using exact occupied cells. A written recipe (spatial-puzzles; authored): the parts…
- Wait-for graphs: single-instance deadlockTrace an actual blocked request to its current owner and inspect a cycle witness under explicit assumptions. A written recipe…
- Warehouse pick tour and inventoryConnect a synthetic order list to rack locations and explicit pick confirmations. A written recipe (operations-logistics; authored): the…
- Water hydrogen-bond illustrationDistinguish intramolecular O-H bonds from selected illustrative intermolecular connections. A written recipe (molecules-materials…
- Watermill with a turning wheel kitA two-storey stone-and-timber mill with an overshot wheel on a wheel socket, a launder feeding it, a first-floor loading door under a hoist…
- watermill-t3 (baked hero GLB)The T3 hero: the watermill module's own geometry, baked in Blender. A 1.8 to 1.9 MB GLB: bevelled edges, one UV atlas, baked color…
- Wide turns and inner slices on larger cubesModel a larger cube where a move addresses a contiguous range of layers and center pieces carry individual identity even when they look…
- Winged creature flight cycle and banking turnsBuild a flier whose wing cycle, banking and heading come from one motion state instead of three unrelated animations. A written recipe…
- Working space, output transform and texture colour rolesKeep lighting computations in a linear working space, convert once at output, and label every texture as color or as data. A lighting…
- Wrought iron lantern post kitA wrought iron lantern post: stepped base flare, a tapering collared shaft, a scrolled bracket and a glazed head whose panes are emissive…
- XPBD soft-body boundary fixtureExercise one compliant particle mesh with pinned boundaries, explicit timestep/substeps/iterations and residuals rather than treating…