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About
A deliberately generic low-poly kit of working mechanisms. Every model ships at least one glTF animation clip driving named nodes whose pivots sit on the real hinge, axle or slide axis, so a developer can drop a door, a lift, a conveyor or a trap into a prototype and see it move. Looping clips are named idle, spin, bob and flicker; one shot clips are open, close, fire and trigger. Eight doors and gates share a 3 m wall bay with left and right connectors so they tile into a continuous wall. Metres, +Y up, +Z forward, all models resting on y=0, eight shared materials. Node TRS animation only; there is no skinned rig, skeleton, collision or navigation data in these files.
Files load directly from the CDN. Choose the pieces you need. Colliders, navigation and gameplay scripts are supplied by your game.
Use with an AI agent
Copy this prompt into your AI chat, then describe what you want to build with the pack.
Use the “Animated Mechanisms Kit” pack in my project. Manifest (JSON, every model with its CDN URL): https://3dassets.dev/api/v1/packs/animated-mechanisms-kit Starter scene (one GLB with every piece placed): https://cdn.3dassets.dev/assets/24658/v1/model.glb Pack page: https://3dassets.dev/packs/animated-mechanisms-kit Description: Seventy four moving mechanisms for prototypes: doors, gates, lifts, conveyors, gears, rotating fixtures, switches, hanging props and hazards, each with node animation clips. - 77 GLB models, 5.2 MB in total - Units: metres, +Y up, shared scale and palette across the pack - Licence: CC0 1.0 Universal (no attribution required) - Loading: three.js GLTFLoader; no additional decoders required. Load models individually from the manifest, or the starter scene as one file.
Also available as a JSON manifest or via the MCP server.
Common questions
How do I use Animated Mechanisms Kit with my AI development tools?
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Do the models in Animated Mechanisms Kit fit together?
Game kit
Animated Mechanisms Kit
Seventy four moving mechanisms for prototypes: doors, gates, lifts, conveyors, gears, rotating fixtures, switches, hanging props and hazards, each with node animation clips.
One GLB with every piece placed in a starter scene. Each model is also below on its own.
Everything in this pack
AnimatedHinged single door in a wall bay (Animated Mechanisms Kit)
Single steel leaf on three knuckle hinges inside a 3 m painted wall bay, with lever handles both sides, a glazed vision panel and an overhead closer arm.
AnimatedDouble leaf door in a wall bay (Animated Mechanisms Kit)
Pair of framed steel leaves hung on opposite jambs of a 2 m opening, with vertical pull bars, glazed vision panels and a bolted transom beam above.
AnimatedAutomatic sliding door pair (Animated Mechanisms Kit)
Two glazed leaves on an overhead roller track with a belt drive motor and a control box, sliding apart into the reveals of a 2.2 m opening.
AnimatedRoller shutter door with barrel hood (Animated Mechanisms Kit)
Twenty one slat steel curtain running in side guides under a barrel hood, with an amber bottom rail and a wall control box. The curtain bunches into the hood as it lifts.
AnimatedIris blast door with six blades (Animated Mechanisms Kit)
Six overlapping steel blades hinged around a bezel ring close a 2.2 m circular portal cut through a wall bay. Each blade swings outward on its own pin.
AnimatedPressure airlock door with locking dogs (Animated Mechanisms Kit)
Thick ribbed slab with a glazed porthole that rises up an exposed guide frame after four amber locking dogs rotate clear of the jambs.
AnimatedSaloon swing doors (Animated Mechanisms Kit)
Pair of half height slatted timber bat wings on spring pivots, hung clear of the floor and the head of a 1.6 m opening so they rock through a rest position.
AnimatedUp and over garage tilt door (Animated Mechanisms Kit)
Four panel steel door on top pivots with diagonal counterbalance arms, tilting up and back into the head of a 2.5 m garage opening.
AnimatedFour wing revolving door drum (Animated Mechanisms Kit)
Free standing revolving door: two curved glass enclosure quadrants between mullion posts, iron floor and head rings, a canopy and four glazed wings on a central shaft.
AnimatedPortcullis gate with winch drum (Animated Mechanisms Kit)
Seven bar spiked iron grille running in channel guides between two gate piers, lifted into a crenellated gatehouse chase by a timber winch drum on the front wall.
AnimatedCounterweighted timber drawbridge (Animated Mechanisms Kit)
Nine plank timber deck banded in iron, hinged on the front edge of a stone abutment between two winch towers. It stands upright at rest and lowers to a bridge.
AnimatedRising barrier arm with counterweight (Animated Mechanisms Kit)
Vehicle barrier: a 3.6 m banded boom with a drop skirt and a counterweight, pivoting from a painted pedestal with a reader panel and an emissive lamp.
AnimatedSelf propelled scissor lift (Animated Mechanisms Kit)
Wheeled scissor lift with a hazard banded chassis, a crossed arm pair on a central pin, a lift ram and a railed deck with a kick plate. The deck rises 0.83 m.
AnimatedOpen cage goods elevator (Animated Mechanisms Kit)
Braced four post shaft 4.7 m tall with a head sheave and drive motor, carrying a mesh sided cage with an amber threshold on a single rope.
AnimatedCounterweighted mast platform (Animated Mechanisms Kit)
Braced 4.8 m lattice mast with a head sheave, a railed working platform on one side and a stacked counterweight on the other, roped so they travel opposite each other.
AnimatedTelescopic hydraulic ram platform (Animated Mechanisms Kit)
Round 2.1 m deck on a three stage hydraulic ram rising from a bevelled base with a power pack and hoses. Each ram stage extends by a different amount.
AnimatedGantry rope hoist with hook block (Animated Mechanisms Kit)
Portal gantry on four splayed legs with a 3.6 m runway beam, a trolley with a rope drum and gear case, a drop pendant control and a hook block on a single fall of rope.
AnimatedCargo lift platform with swing gate (Animated Mechanisms Kit)
Two post goods lift with a braced mast, a drive motor and a 2.2 m mesh sided platform closed by a swinging bar gate with an amber stile.
AnimatedInclined cleated conveyor lift (Animated Mechanisms Kit)
Five metre cleated belt on a 24 degree incline with a feed hopper at the tail and a discharge hood at the head, so the cleat loop resets out of sight.
AnimatedWall dumbwaiter with travelling car (Animated Mechanisms Kit)
Service dumbwaiter shaft 2.74 m tall built as an open fronted casing with a framed hatch, a call panel with a lamp, and a small open car that travels the shaft on a rope.
AnimatedBascule bridge leaf with counterweight (Animated Mechanisms Kit)
Single leaf lifting bridge: a 4.2 m railed deck on trunnion bearings between two pier walls, with a concrete counterweight that swings down into the chase and an operator cabin.
AnimatedVehicle turntable in a pit ring (Animated Mechanisms Kit)
Five metre turntable: a sunken pit ring with eight rollers and a drive cabinet, carrying a ribbed steel deck marked with amber alignment bands.
AnimatedStraight cleated belt conveyor (Animated Mechanisms Kit)
Four metre horizontal belt conveyor on braced legs with side skirts, a tail feed skirt, a hooded head chute, a drive motor and gearbox, and eight cleats that loop seamlessly.
AnimatedSwan neck incline belt conveyor (Animated Mechanisms Kit)
Two stage conveyor with a low horizontal feed boot and a 26 degree incline running to a hooded discharge, each stage with its own cleated belt and drums.
AnimatedGravity roller conveyor bed (Animated Mechanisms Kit)
Thirteen free running rollers between painted side channels with amber guide rails, on braced legs with foot plates and an end stop bar.
AnimatedTwin chain flight conveyor (Animated Mechanisms Kit)
Two chain strands on four toothed sprockets carry amber flight bars along a 3.2 m braced frame with a drive motor at the head.
AnimatedBucket elevator with inspection window (Animated Mechanisms Kit)
Four and a half metre elevator casing with a boot, an inlet chute, a hooded head with drive motor and a tall window through which nine buckets can be seen climbing the belt.
AnimatedCrank, rod and piston assembly (Animated Mechanisms Kit)
Open crank and slider mechanism on a painted bedplate: a bearing housing, a crank with a web and pin, a connecting rod, a crosshead on guide bars and a lathed cylinder block.
AnimatedCam and roller follower (Animated Mechanisms Kit)
Shaft mounted cam disc with a rise on one flank lifting a guided roller follower against a spring collar, on a painted pedestal with two bearing blocks.
AnimatedMeshing spur gear pair on a plate (Animated Mechanisms Kit)
Twenty tooth and twelve tooth spur gears meshing on a bolted back plate with bearing bosses, an amber guard ring around the large gear and a terminal box.
AnimatedFour gear reduction train on a bench (Animated Mechanisms Kit)
Four spur gears on a bench top in an alternating sixteen and ten tooth train, each on its own boss and shaft, turning in alternating directions.
AnimatedCrank and flywheel with connecting rod (Animated Mechanisms Kit)
Heavy six spoke flywheel on bearing pedestals driving a crank, connecting rod and crosshead along a painted bedplate with an amber hazard band at the end.
AnimatedForge bellows on a timber stand (Animated Mechanisms Kit)
Five fold bellows between timber boards on a four leg stand, with a pivoting hand lever and a steel tuyere nozzle. The folds compress as the lever is pulled down.
AnimatedC frame stamping press (Animated Mechanisms Kit)
Open front power press with a spoked flywheel and motor on the crown, a guided ram with an amber striker plate, and a bolted bolster with a die block.
AnimatedFour blade ceiling fan with light (Animated Mechanisms Kit)
Ceiling fan on a 0.64 m downrod: a canopy, a lathed motor housing with a trim band, four pitched timber blades on iron irons, a glass light bowl and a pull cord.
AnimatedExtractor fan in a duct section (Animated Mechanisms Kit)
Axial extractor: a 0.88 m duct section on painted feet with bolted flanges, a wire finger guard, a seven blade impeller on a spider and a rear drive motor with a terminal box.
AnimatedWindmill sail cross on a tower stub (Animated Mechanisms Kit)
Four lattice sails 4.8 m across on a windshaft, mounted on a tapered tower stub with a timber cap, a boarded door and a shaft bearing housing.
AnimatedUndershot water wheel with launder (Animated Mechanisms Kit)
Three metre timber water wheel with fourteen paddles between two iron rims, running in two masonry bearing piers under a sloping timber launder.
AnimatedShrouded axial turbine rotor (Animated Mechanisms Kit)
Twelve blade axial rotor with a nose cone inside a bolted 1.8 m shroud ring, mounted on a painted pedestal with a four arm stator spider behind.
AnimatedScanning radar dish on a yoke (Animated Mechanisms Kit)
Two metre parabolic dish with a feed horn on a strut, carried on a two arm yoke over a rotating turret with a braced base frame and a terminal box.
AnimatedPan head security camera on a pole (Animated Mechanisms Kit)
Camera body with a sun shroud and lens on a two arm pan head, mounted on a 2.3 m tapered pole with a junction box and an emissive status lamp.
AnimatedWeather vane on a spire base (Animated Mechanisms Kit)
Iron weather vane with an arrow head and an amber tail fin above four cardinal arms with pointer plates, on a tapered spire post and a lathed base.
AnimatedCarousel platform with canopy (Animated Mechanisms Kit)
A 4.2 m turning platform on a fixed plinth with an amber rim band: eight poles carrying timber seat boards, a centre column and a conical canopy with a rim fascia.
AnimatedThree sided revolving pole sign (Animated Mechanisms Kit)
Triangular pole sign 4.26 m tall with three panels carrying an original abstract diamond and bar mark, a cap disc, a tapered pole and a service box with a lamp.
AnimatedCooling fan in a grilled housing (Animated Mechanisms Kit)
Square 0.72 m cooling fan housing with mounting flanges, four rubber bushes, a spiral wire finger guard and a seven blade fan on a hub.
AnimatedVentilation louvre with linked blades (Animated Mechanisms Kit)
Seven blade louvre panel in a painted frame with a bolted head flashing and an amber operating linkage down one side. The blades turn from closed to open together.
AnimatedFloor mounted throw lever (Animated Mechanisms Kit)
Heavy throw lever on a bolted pedestal with a notched quadrant plate, a pivot boss and an amber grip with a domed cap. It throws forward and back through five notches.
AnimatedRocker wall switch on a panel (Animated Mechanisms Kit)
Large rocker switch on a steel back plate, mounted on a 0.62 m painted wall panel with edge flashings, a bolted plate, a label strip and an emissive indicator.
AnimatedGate valve with handwheel (Animated Mechanisms Kit)
A 1.4 m flanged pipe spool on two painted stools with a valve body, bonnet, an amber tag plate and a five spoke handwheel with a capped hub.
AnimatedFloor pressure plate in a frame (Animated Mechanisms Kit)
A 1.06 m tread plate with grip ribs and amber edge bands, sprung on four posts inside a recessed iron frame with an emissive trip lamp underneath.
AnimatedDomed button on a pedestal (Animated Mechanisms Kit)
Floor pedestal 1.2 m tall with a flared cast base, a painted column with an amber label strip, an emissive collar ring and a big domed push button on a collar.
AnimatedAccess keypad with a flip cover (Animated Mechanisms Kit)
Twelve key access pad on a bolted iron sub plate with an emissive display, protected by an amber flip cover hinged along its top edge on a 0.7 m wall panel.
AnimatedRotary selector dial on a post (Animated Mechanisms Kit)
Eleven position selector on a painted post: an iron scale plate with tick marks, a knurled dial with an amber pointer and a grip nib, and an emissive status lamp.
AnimatedBreaker cabinet with a throw handle (Animated Mechanisms Kit)
Painted breaker cabinet 1.91 m tall with a bolted inner plate, three busbar strips, three emissive lamps and a big amber tipped throw handle in a slotted guard.
AnimatedCeiling pull cord switch (Animated Mechanisms Kit)
Ceiling switch with a canopy and a moulded body on a 1.48 m ball chain ending in an amber acorn pull. The chain and acorn drop when pulled and spring back.
AnimatedWall crank handle on a gear box (Animated Mechanisms Kit)
Offset crank with an amber roll grip on a bolted gearbox boss, mounted on a 0.8 m painted wall panel with a label strip and an emissive lamp.
AnimatedFlag on a tapered pole (Animated Mechanisms Kit)
A 5.98 m tapered flag pole on a cast base with a domed finial, a halyard cleat and rope, flying a 2.4 m by 1.5 m flag frozen mid wave with a hoist sleeve and edge tapes.
AnimatedBanner hung on a rope between posts (Animated Mechanisms Kit)
A 3 m cloth banner with amber head and foot battens and five rope ties, hung from a catenary rope between two timber posts with iron caps and cleats.
AnimatedSwinging pendant lamp on a cord (Animated Mechanisms Kit)
Industrial pendant on a 2 m cord: a ceiling rose, a cord grip, a conical shade with an amber rim band and an emissive bulb, hanging 2.82 m below the ceiling.
AnimatedChain swing on an A frame (Animated Mechanisms Kit)
Timber A frame 2.66 m tall on four foot plates with a top beam and two eye plates, carrying a plank seat on two 1.62 m link chains with amber seat brackets.
AnimatedBead curtain in a doorway frame (Animated Mechanisms Kit)
Eleven bead strands of twenty six beads each hanging from a rail in a timber doorway frame, alternating amber and timber, with an amber head board.
AnimatedShop awning on folding arms (Animated Mechanisms Kit)
A 3.1 m amber shop awning at 16 degrees on two folding arms and a roller bar, with a scalloped valance, over a glazed shop front with an iron surround.
AnimatedRoller blind in a window frame (Animated Mechanisms Kit)
A 1.7 m roller blind with an amber bottom bar and pull tab, hung on a roller in two brackets inside a glazed timber window frame with a side pull cord.
AnimatedTarpaulin over a crate stack (Animated Mechanisms Kit)
Sheeted load: three banded crates on a timber pallet under a tarpaulin with amber eyelets and lashings, with a loose front flap and one loose side that lift in the wind.
AnimatedChannel marker buoy (Animated Mechanisms Kit)
A 2.54 m navigation buoy: a lathed amber float with a rubbing band, a four leg lantern cage with two hoops, an emissive lantern and a topmark, plus a mooring lug.
AnimatedPendulum weight on a trestle (Animated Mechanisms Kit)
A 2.44 m pendulum with a lens shaped bob and an amber rim band, hung from a knife edge bearing on a four leg iron trestle over an amber scale bar.
AnimatedFloor spike trap in a kerb frame (Animated Mechanisms Kit)
Sixteen steel spikes standing 0.32 m proud of a painted bed inside an iron kerb frame with amber chevrons. The spikes shoot up another 0.5 m when triggered.
AnimatedSwinging pendulum blade (Animated Mechanisms Kit)
A 2.1 m pendulum arm on a barrel bearing carrying a broad crescent blade with an amber collar, hung in an iron trestle on painted foot plates with amber floor chevrons.
AnimatedFalling crusher block in guides (Animated Mechanisms Kit)
A 1.78 m ribbed iron block running in two channel guides above a painted anvil bed with amber chevrons, under a head beam with a rope drum and a bolted cover.
AnimatedFloor flame vent with pilot (Animated Mechanisms Kit)
A 1.24 m floor nozzle: a cast base, a painted burner tube with eight air ports and an amber crown, a supply pipe to a control box, and five emissive flame tongues on a pilot.
AnimatedCircular saw travelling on a rail (Animated Mechanisms Kit)
A 1.24 m toothed saw blade on a carriage that runs along a 4 m twin rail beam on two painted stands, with roller wheels, a motor hump and an amber warning bar.
AnimatedFalling slab gate in guides (Animated Mechanisms Kit)
A 2.14 m ribbed steel slab held clear in two channel guides between painted piers, under a bolted head beam with a lit release box. It drops to the floor when triggered.
AnimatedRotating spike column (Animated Mechanisms Kit)
A 3.48 m column on cast end caps carrying six staggered bands of six spikes each, with amber floor chevrons at the base. The whole column turns on its axis.
AnimatedTilting platform on a trunnion axle (Animated Mechanisms Kit)
A 2.5 m by 1.9 m ribbed deck balanced on a trunnion axle between two painted bearing stools, with amber edge bands, floor kerbs and a lit control box.
Working machine room (Animated Mechanisms Kit)
A plant floor on a 4.6 m grid: a bucket elevator, three conveyors and an inclined feed lift along the back, a gear train, crank and flywheel, piston assembly and stamping press through the middle, a scissor lift, gantry hoist, crusher and travelling saw, and a front row of...
Door and gate wall (Animated Mechanisms Kit)
The eight wall bay doors tiled into one continuous 24 m wall at their rest pose, proving the shared 3 m bay module and its left and right connectors, with the four free standing gates set out in front of it.
Fixtures and motion yard (Animated Mechanisms Kit)
Every rotating fixture, switch, hanging fitting and hazard in the kit laid out on a 6.4 m grid at real scale, five rows deep, so relative size and rest pose can be compared side by side. Large turning fixtures sit along the back, controls and hazards along the front.
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