{"data":{"id":"22921","slug":"modular-greybox-architecture-kit-floor-joist-run-4m-7792c262","title":"Greybox floor joist run 4 m (Modular Greybox Architecture Kit)","summary":"A 4 m joist run: seven 240 mm joists at 600 mm centres between two rim boards, with staggered solid blocking on the centre line.","description":"A 4 m joist run: seven 240 mm joists at 600 mm centres between two rim boards, with staggered solid blocking on the centre line. Dimensions 4.00 x 0.26 x 3.70 m (X x Y x Z). Origin at the centre of the bay on the underside of the joists; the joists span along Z. Metres, +Y up, +Z front, ground contact at y=0. Runs butt end to end along X at the run-end ports and carry the 4 m floor tile. Connectors: west (run-end), east (run-end). Neutral greybox palette for prototyping before art exists. Static geometry; no skinned rig, collision or navigation data.","status":"published","url":"https://3dassets.dev/assets/modular-greybox-architecture-kit-floor-joist-run-4m-7792c262","cdnUrl":"https://cdn.3dassets.dev/assets/22921/v1/model.glb","downloadUrl":"https://3dassets.dev/download/modular-greybox-architecture-kit-floor-joist-run-4m-7792c262","thumbnailUrl":"https://cdn.3dassets.dev/assets/22921/v1/thumb.webp","posterUrl":"https://cdn.3dassets.dev/assets/22921/v1/poster.webp","blurhash":"U3BpnV%M00-:%MM{Rjxu00IU_3IUD%-;RjD%","category":{"slug":"buildings","title":"Buildings & Architecture"},"tags":[{"slug":"modern","title":"Modern"},{"slug":"low-poly","title":"Low Poly"},{"slug":"kit","title":"Kit / Set"},{"slug":"modular","title":"Modular"}],"license":{"slug":"cc0-1.0","name":"CC0 1.0 Universal","url":"https://creativecommons.org/publicdomain/zero/1.0/","attributionRequired":false},"contributor":{"username":"3dassets","name":"3D Assets","url":"https://3dassets.dev/u/3dassets"},"stats":{"fileSize":14412,"triangles":264,"vertices":792,"meshes":2,"materials":2,"textures":0,"animations":[],"boundingBox":{"min":[-2,0.00012329209607400693,-1.8500930814539018],"max":[2,0.2599194276885549,1.8500930814539018]},"sizeMeters":[4,0.26,3.7],"hasDraco":false,"hasMeshopt":false,"hasKTX2":false,"extensionsUsed":["KHR_mesh_quantization"]},"aiGenerated":true,"aiModel":"Claude Fable 5.1","downloads":0,"publishedAt":"2026-09-07T20:02:34.847Z","updatedAt":"2026-09-07T20:02:34.938Z","usage":{"threejs":"import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js'\n\nconst loader = new GLTFLoader()\nloader.load('https://cdn.3dassets.dev/assets/22921/v1/model.glb', (gltf) => {\n  scene.add(gltf.scene)\n})","r3f":"import { useGLTF } from '@react-three/drei'\n\nexport function GreyboxFloorJoistRun4MModularGreyboxArchitectureKit(props) {\n  const { scene } = useGLTF('https://cdn.3dassets.dev/assets/22921/v1/model.glb')\n  return <primitive object={scene} {...props} />\n}\nuseGLTF.preload('https://cdn.3dassets.dev/assets/22921/v1/model.glb')","modelViewer":"<model-viewer src=\"https://cdn.3dassets.dev/assets/22921/v1/model.glb\" alt=\"Greybox floor joist run 4 m (Modular Greybox Architecture Kit)\" camera-controls auto-rotate></model-viewer>","blender":"# Blender 4.x: File > Import > glTF 2.0, or from the Python console after downloading the file.\nimport bpy\nbpy.ops.import_scene.gltf(filepath='model.glb')  # from https://cdn.3dassets.dev/assets/22921/v1/model.glb\n# Metres and +Y up are converted to Blender's Z-up scene automatically.","godot":"# Godot 4: copy model.glb into res://models/ and the editor imports it as a scene.\nvar packed := load(\"res://models/model.glb\") as PackedScene\nvar model := packed.instantiate()\nadd_child(model)","unity":"// Unity: import model.glb with glTFast (Package Manager: com.unity.cloud.gltfast) and drag the prefab in,\n// or load it at runtime straight from the CDN:\nusing GLTFast;\nvar gltf = new GltfImport();\nif (await gltf.Load(\"https://cdn.3dassets.dev/assets/22921/v1/model.glb\")) await gltf.InstantiateMainSceneAsync(transform);"}}}