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Walkable demo
City Park and Playground
Walk a public park: a fenced playground with swings, a slide, a climbing frame and a roundabout that turns, then a path past a bandstand, a kiosk and a duck pond.
About
A city park corner laid from the pack's own lawn, path and safety surface tiles.
What is placed. A fenced playground on rubber safety tiles holds the swing sets, the slide, the play tower, the climbing frame, the monkey bars, the rope net climber, the seesaw, the spring rockers, the roundabout and a timber edged sandpit, with a gate and a rules sign at its entrance. A path runs past it through lawn to a hexagonal bandstand, a refreshment kiosk, a pergola and a duck pond built from a ring of edge pieces. Benches, picnic tables, lamp posts, litter and dog waste bins, bollards, a drinking fountain, a notice board, a bike rack, flower beds, hedges, trees and shrub clumps dress the rest, with a brick piered park gate at the entrance.
What moves. The swing seats swing from the top bar, the seesaw beam tips, the spring rockers rock, the roundabout spins, the playground gate and the park gate open and close, the litter bin lid lifts and the kiosk shutter raises.
What does not move, and why. The rope net, the swing chains, the hanger rods and the rocker springs are static geometry: each is cord, chain or a spring linkage that a rigid node transform cannot drive honestly. There is nobody playing, because nothing here is skinned.
Every piece here is a published model from the pack, placed by hand. Walk with the keys or touch, and approach a piece to see it move if it has animation. Colliders, navigation and gameplay are yours to add.
Points of interest
Roundabout
The roundabout spins, the seesaw and the spring rockers rock, and the swing seats swing from the top bar. Everything inside the fence stands on rubber safety tiles.
Playground Roundabout (City Park and Playground)Swings
A two bay swing set, with a toddler bucket variant for the second bay. The chains are static geometry: the seats are the moving nodes, hung under the top bar where a real swing pivots.
Two Bay Swing Set (City Park and Playground)Slide and tower
The slide, the play tower with its roof and ladder, the climbing frame, the monkey bars and the rope net climber make the main play structure.
Playground Slide (City Park and Playground)Sandpit
A timber edged sandpit beside the play structure, with the playground fence, its gate and the rules sign enclosing the whole area.
Sandpit with Timber Edging (City Park and Playground)Bandstand
A hexagonal bandstand on the lawn, with benches, picnic tables, lamp posts, bins and a pergola along the path that runs past it.
Hexagonal Park Bandstand (City Park and Playground)Duck pond
The pond is a ring of eight edge pieces, so it can be laid at any size. Flower beds, hedges, trees and shrub clumps plant the ground around it.
Duck Pond Edge Piece (City Park and Playground)
Use with an AI agent
Copy this prompt into your AI chat to rebuild the layout, then describe what to change.
Rebuild the "City Park and Playground" demo scene from the City Park and Playground pack in my project. Layout (JSON, every placement with its CDN URL): https://3dassets.dev/api/v1/demos/city-park-and-playground Pack manifest: https://3dassets.dev/api/v1/packs/city-park-and-playground Demo page: https://3dassets.dev/demos/city-park-and-playground - 184 placements of 40 models; units are metres, +Y up, rotation is yaw in degrees about +Y - Spawn at (-4, 0.324, -1.5) facing -174 degrees; eye height 1.6 m - Licence: CC0 1.0 Universal (no attribution required) - Loading: three.js GLTFLoader, one load per distinct model, cloned per placement; no decoders required
Also available as JSON or Markdown, and via the MCP server.
Common questions
How do I use City Park and Playground with my AI development tools?
How do I get started?
Which game engines and tools can I use City Park and Playground with?
How do I import this scene into Unity, Godot, Unreal or Blender?
Can I use City Park and Playground in a commercial game, and do I need to credit anyone?
Can I load it from the CDN instead of downloading it?
Is the demo itself a file I can download?
Can I change the scene, or add gameplay to it?
Models in this demo
Park Lawn Tile (City Park and Playground)
A 4 x 4 m mown lawn module, 60 mm of turf with six grass tufts and three wild flowers. Edge ports on all four sides, so lawns tile out under and around the paths.
Rubber Safety Surface Tile, Blue (City Park and Playground)
The same safety tile in blue, so a play area can be laid out in two colours or zoned by age. Geometry and ports unchanged.
Rubber Safety Surface Tile (City Park and Playground)
A 2 x 2 m wet pour rubber safety tile, 45 mm thick with a recessed border and four fixing pads. Edge ports on all four sides, so tiles lay out into a play area of any shape.
Playground Fence Panel (City Park and Playground)
A 2 m bay of 1.1 m blue bow top playground fencing: a capped post on the start end, two rails and vertical bails at 140 mm centres. Bays butt end to end into a run of any length.
Playground Fence Gate Bay (City Park and Playground)
The same bay with a self closing access leaf hung on the start post, a yellow closing stile and a latch at adult height. The leaf is one node on its hinge line.
Two Bay Swing Set (City Park and Playground)
A 3.6 m two bay swing frame on 2.4 m painted A-frame legs with a yellow top bar, two rubber sling seats on rigid hanger rods and a brace between each pair of legs. Each seat is one node hung on the bar's own axis, so the clip swings from the bar and not from the seat.
Play Tower with Roof and Ladder (City Park and Playground)
A 2.5 m timber play tower: a 1.9 m square deck at 1.3 m inside blue guard panels, a five rung ladder up the open side and a red gabled roof on the four posts. Static.
Steel Climbing Frame (City Park and Playground)
A 2.4 x 2.4 x 2 m painted climbing cube: four corner posts, a rung ladder up each end face, a yellow half deck and six drop bars to it, on a rubber pad. Static frame.
Monkey Bars (City Park and Playground)
A 3.6 m overhead ladder at 2.1 m on two raked red A-frames with ten steel rungs and a brace across each frame. Static.
Sandpit with Timber Edging (City Park and Playground)
A 3.2 x 3.2 m sandpit: sleeper edging on all four sides with two corner sitting boards, a levelled sand bed with a heaped mound, and a bucket and spade left in it. Static.
Playground Slide (City Park and Playground)
A 1.4 m high timber slide tower with blue guard panels, a four rung ladder up the back and a 2.8 m stainless chute with yellow side rails and a flat run out. Static: no part of a slide moves.
Rope Net Climber (City Park and Playground)
A 3 m long pyramid net climber: two raked steel end frames, a twin top rail and a grid of red and yellow ropes down both faces. The ropes are rigid rods modelled into the frame and deliberately not rigged: a slack rope needs a joint per segment.
Playground Roundabout (City Park and Playground)
A 3.0 m roundabout on a cast hub: a six sector painted deck at 410 mm and four grab rails arching over the centre. The deck and its rails are one node on the hub axis.
Two Seat Seesaw (City Park and Playground)
A 3.2 m yellow seesaw beam on a cast pedestal at 0.62 m, with a red moulded seat, a grab bar and a foot rest at each end. The beam is one node on the axle, so the clip tips it about the real pivot.
Two Bay Swing Set with Toddler Seats (City Park and Playground)
The same two bay frame fitted with high backed toddler bucket seats hung a little shorter, for the under fives end of a play area. The hanger rods are modelled solid and swing with the seat as one part; a real chain needs a joint per link.
Horse Spring Rocker (City Park and Playground)
A single seat spring rocker: a red horse body with an upright head, ears, a grab bar and two foot rests, on a coiled spring and a cast ground plate. The body is one node above the spring, so the clip rocks it about the spring head.
Duck Spring Rocker (City Park and Playground)
The same spring and plate carrying a yellow duck body with a flat bill and a stub tail, for a second animal on the same play area. The spring coil is modelled solid and does not deform; the rocking is the body node above it.
Blue Horse Spring Rocker (City Park and Playground)
The horse rocker repainted blue with a yellow saddle, so a play area can carry more than one without looking copied. Geometry unchanged.
Playground Rules Sign (City Park and Playground)
A 1.5 m twin post sign at a play area entrance: a yellow board with a blue panel, a heading bar, four blank rule lines and a round pictogram. The text is geometry, not lettering.
Timber Park Litter Bin (City Park and Playground)
A 1 m park bin: ten timber staves on a cast base with a blue domed lid on a back hinge and a moulded handle. The liner is not modelled.
Park Path Tile, Straight (City Park and Playground)
A 2 m run of 2 m wide park path: a laid slab with a raised kerb edging on both sides and three jointing lines across it. Run ports on the two ends.
Park Notice Board (City Park and Playground)
A 1.9 m double post notice board: a glazed charcoal back panel with four pinned notices and a red pitched hood over it. The notices are geometry, not lettering.
Five Hoop Bike Rack (City Park and Playground)
A 2.2 m bike rack: five steel Sheffield hoops at 440 mm centres on two bolt down rails. Static.
Park Path Tile, Quarter Turn (City Park and Playground)
A 2 x 2 m quarter turn in the same path: the paving sweeps from the west edge round to the south edge with the kerb edging following the outer arc. Run ports on the west and south edges.
Park Gate with Brick Piers (City Park and Playground)
A 3.1 m park entrance: two banded piers with capped pyramid tops and a pair of spear top iron leaves hung on their inner faces. Each leaf is its own node on its own pier, so the pair opens outward together.
Duck Pond Edge Piece (City Park and Playground)
A 45 degree segment of an ornamental duck pond: a stone coping arc, a dark liner lip and the water wedge behind it. 8 pieces close a 6 m pond; the water is flat geometry with no shader or reflection.
Clipped Hedge Section (City Park and Playground)
A 2 m run of clipped park hedge at 1.2 m on a bare soil strip, faceted rather than smooth so it reads at a distance. Run ports on the two ends.
Hexagonal Park Bandstand (City Park and Playground)
A 5.8 m hexagonal bandstand: a raised paved plinth with a timber deck, six posts with blue balustrades between five of them, three steps up to the open bay and a red conical roof with a finial. Static.
Park Refreshment Kiosk (City Park and Playground)
A 3 x 2.2 m park kiosk: a blue block with a red stall riser, a timber serving counter, a menu board and a red parapet roof. The steel shutter over the hatch is one node on its head, so the clip lifts it out as an awning.
Timber Pergola (City Park and Playground)
A 3.6 x 2.4 m pergola: four posts, two head beams, eight rafters and a bench board on each side, with a climbing plant over both ends. Static.
Timber Picnic Table (City Park and Playground)
A 1.9 m picnic table: a four plank top at 790 mm on splayed A-frames, a centre stretcher and a two plank bench on each side. Static.
Circular Flower Bed (City Park and Playground)
A 3 m circular bed: a precast ring wall, a dark soil fill and eight flowering clumps in three colours. Static planting.
Broadleaf Park Tree (City Park and Playground)
A 4.2 m broadleaf park tree: a tapered trunk with three lower limbs under a faceted four lobe crown. Static; no wind animation.
Conifer Park Tree (City Park and Playground)
A 4.3 m conifer: a short trunk under three stacked faceted cones, the second tree shape a park line needs so a row is not all one silhouette. Static.
Shrub Clump (City Park and Playground)
A 1.6 m wide clump of four faceted shrub lobes on a bare soil pad, for filling the base of a tree line or the back of a bed. Static.
Slatted Park Bench (City Park and Playground)
A 1.8 m public bench: three timber seat slats and three raked back slats on cast charcoal ends with a rear foot. Static.
Park Lamp Post (City Park and Playground)
A 4.2 m cast park lighting column with a tapered shaft, a service door at the base and a four sided lantern with a pitched cap and a finial. No embedded light source.
Dog Waste Bin (City Park and Playground)
A 1.5 m post mounted dog waste bin: a red drum with a posting aperture and a lift off top on a steel post, under a yellow pictogram plate. Nothing opens; the top is modelled closed.
Park Drinking Fountain (City Park and Playground)
A cast concrete pedestal fountain with a stainless top, a shallow bowl, a bubbler spout, a push panel and a blue front plate. No water.
Timber Park Bollard (City Park and Playground)
A 1.1 m square timber bollard on a cast foot with a pyramid top and a painted band. Static.