Free 3D Assemblies

Models made of several parts. Every file here is public domain: open it in your browser, then download it and use it for anything.

3354 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain

All 2199Furniture & interiors 656Electronics & PCB 204Mechanical 194Architecture & BIM 191People & figures 172Lighting 163Art & decor 161Tools & jigs 133Vehicles 88Nature & terrain 58Fasteners & hardware 35Other 175
Features:3D printable 34Real-world scale 2199Textured / materials 1702✓ Assembly 2199Low-poly 206CAD solid 463

2199 3D parts with Assembly · Clear all

  • 620 mm automotive radiator with six-blade fanstepRotate in 3D
    620 mm automotive radiator with six-blade fan

    620 mm automotive radiator with six-blade fan. Overall size 0.636 x 0.119 x 0.460 m; original unbranded model. Overall 636 x 119 x 460 mm. Nominal size: 636 x 460 mm. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    1018 KBDetails & download
  • Vented automotive alternatorstepRotate in 3D
    Vented automotive alternator

    Vented automotive alternator. Overall size 0.228 x 0.150 x 0.157 m; original unbranded model. Overall 228 x 150 x 157 mm. Nominal size: 150 mm body. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    876 KBDetails & download
  • 17 inch five-spoke alloy wheel and tyrestepRotate in 3D
    17 inch five-spoke alloy wheel and tyre

    17 inch five-spoke alloy wheel and tyre. Overall size 0.634 x 0.634 x 0.233 m; original unbranded model. Overall 634 x 634 x 233 mm. Nominal size: 225/45 R17. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    361 KBDetails & download
  • 15 inch vented steel wheel and tyrestepRotate in 3D
    15 inch vented steel wheel and tyre

    15 inch vented steel wheel and tyre. Overall size 0.634 x 0.634 x 0.203 m; original unbranded model. Overall 634 x 634 x 203 mm. Nominal size: 195/65 R15. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    948 KBDetails & download
  • 320 mm vented brake disc with caliperstepRotate in 3D
    320 mm vented brake disc with caliper

    320 mm vented brake disc with caliper. Overall size 0.338 x 0.320 x 0.082 m; original unbranded model. Overall 338 x 320 x 82 mm. Nominal size: 320 x 28 mm. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    752 KBDetails & download
  • 280 mm brake drumstepRotate in 3D
    280 mm brake drum

    280 mm brake drum. Overall size 0.280 x 0.280 x 0.079 m; original unbranded model. Overall 280 x 280 x 79 mm. Nominal size: 280 mm. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    78 KBDetails & download
  • 12 m low-floor city busglbRotate in 3D
    12 m low-floor city bus

    12 m low-floor city bus. Overall size 12.138 x 2.880 x 3.415 m; original unbranded model. Overall 12.2 x 3.1 x 3.4 m. Nominal size: 12 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    6.1 MBDetails & download
  • 7.5 t class box truck with roll-up doorglbRotate in 3D
    7.5 t class box truck with roll-up door

    7.5 t class box truck with roll-up door. Overall size 7.190 x 2.800 x 3.300 m; original unbranded model. Overall 7.4 x 2.7 x 3.3 m. Nominal size: 7.1 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    5.8 MBDetails & download
  • Passenger van with side windowsglbRotate in 3D
    Passenger van with side windows

    Passenger van with side windows. Overall size 5.675 x 2.420 x 2.480 m; original unbranded model. Overall 5.7 x 2.6 x 2.4 m. Nominal size: 5.6 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    5.6 MBDetails & download
  • High-roof cargo panel vanglbRotate in 3D
    High-roof cargo panel van

    High-roof cargo panel van. Overall size 5.675 x 2.420 x 2.480 m; original unbranded model. Overall 5.7 x 2.6 x 2.7 m. Nominal size: 5.6 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    5.2 MBDetails & download
  • Crew-cab pickup with tonneau coverglbRotate in 3D
    Crew-cab pickup with tonneau cover

    Crew-cab pickup with tonneau cover. Overall size 5.725 x 2.400 x 1.880 m; original unbranded model. Overall 5.7 x 2.3 x 2 m. Nominal size: 5.65 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    5.4 MBDetails & download
  • Crew-cab pickup with open bedglbRotate in 3D
    Crew-cab pickup with open bed

    Crew-cab pickup with open bed. Overall size 5.725 x 2.400 x 1.880 m; original unbranded model. Overall 5.7 x 2.3 x 2 m. Nominal size: 5.65 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    5.4 MBDetails & download
  • Sage five-door crossover SUVglbRotate in 3D
    Sage five-door crossover SUV

    Sage five-door crossover SUV. Overall size 4.786 x 2.290 x 1.814 m; original unbranded model. Overall 4.8 x 2.2 x 1.8 m. Nominal size: 4.72 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    4.8 MBDetails & download
  • Charcoal five-door crossover SUVglbRotate in 3D
    Charcoal five-door crossover SUV

    Charcoal five-door crossover SUV. Overall size 4.786 x 2.290 x 1.814 m; original unbranded model. Overall 4.8 x 2.2 x 1.8 m. Nominal size: 4.72 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    4.8 MBDetails & download
  • Silver five-door compact hatchbackglbRotate in 3D
    Silver five-door compact hatchback

    Silver five-door compact hatchback. Overall size 4.281 x 2.160 x 1.490 m; original unbranded model. Overall 4.3 x 2.1 x 1.6 m. Nominal size: 4.22 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    4.8 MBDetails & download
  • Blue five-door compact hatchbackglbRotate in 3D
    Blue five-door compact hatchback

    Blue five-door compact hatchback. Overall size 4.281 x 2.160 x 1.490 m; original unbranded model. Overall 4.3 x 2.1 x 1.6 m. Nominal size: 4.22 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    4.8 MBDetails & download
  • White four-door sedanglbRotate in 3D
    White four-door sedan

    White four-door sedan. Overall size 4.867 x 2.230 x 1.450 m; original unbranded model. Overall 4.8 x 2.2 x 1.5 m. Nominal size: 4.8 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    4.8 MBDetails & download
  • Red four-door sedanglbRotate in 3D
    Red four-door sedan

    Red four-door sedan. Overall size 4.867 x 2.230 x 1.450 m; original unbranded model. Overall 4.8 x 2.2 x 1.5 m. Nominal size: 4.8 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    4.8 MBDetails & download
  • Graphite four-door sedanglbRotate in 3D
    Graphite four-door sedan

    Graphite four-door sedan. Overall size 4.867 x 2.230 x 1.450 m; original unbranded model. Overall 4.8 x 2.2 x 1.5 m. Nominal size: 4.8 m. glTF binary (GLB) mesh with materials, modeled in meters at real-world scale. Export to other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    4.8 MBDetails & download
  • Escalator with grooved stepsstepRotate in 3D
    Escalator with grooved steps

    Escalator with grooved steps, modeled from published dimensions. Overall 6.8 x 1.3 x 4.3 m. Key dimensions: rise 3000 mm; inclined run 5200 mm; tread width 1000 mm; visible steps 20; landing length 800 mm. Original static escalator coordination model. Return track, concealed drive and step chain are omitted; handrails show the visible upper path only. No machinery certification, capacity, accessibility or code compliance is implied. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    12.8 MBDetails & download
  • Elevator cabin, open doorsstepRotate in 3D
    Elevator cabin, open doors

    Elevator cabin, open doors, modeled from published dimensions. Overall 1.8 x 1.6 x 2.4 m. Key dimensions: internal width 1700 mm; door clear width 1030 mm; ceiling omitted for review true. Original cabin layout with open doors and ceiling omitted for inspection. Shaft, drive, door mechanism and control circuitry are omitted. No accessibility, lift certification or code compliance is implied. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    197 KBDetails & download
  • Straight stair with railsstepRotate in 3D
    Straight stair with rails

    Straight stair with rails, modeled from published dimensions. Overall 4.5 x 1 x 3.7 m. Key dimensions: floor rise 2800 mm; tread run 280 mm; riser 175 mm; width 1000 mm; risers 16. Original nominal stair design with explicit rise, run and handrail geometry. Building-specific landings, headroom, guard infill, anchorage and structural design remain outside this layout model. No building-code or accessibility compliance is claimed. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    1.3 MBDetails & download
  • Spiral stair with railstepRotate in 3D
    Spiral stair with rail

    Spiral stair with rail, modeled from published dimensions. Overall 1.9 x 1.9 x 3.8 m. Key dimensions: floor rise 2800 mm; risers 16; riser 175 mm; outer radius 950 mm; column diameter 180 mm; turn deg 360. Original nominal stair design with explicit rise, run and handrail geometry. Building-specific landings, headroom, guard infill, anchorage and structural design remain outside this layout model. No building-code or accessibility compliance is claimed. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    1.8 MBDetails & download
  • L-shaped stair with landingstepRotate in 3D
    L-shaped stair with landing

    L-shaped stair with landing, modeled from published dimensions. Overall 3.2 x 3.2 x 3.7 m. Key dimensions: floor rise 2800 mm; flight risers 8; landing 1000 mm; tread run 280 mm; riser 175 mm; width 1000 mm. Original nominal stair design with explicit rise, run and handrail geometry. Building-specific landings, headroom, guard infill, anchorage and structural design remain outside this layout model. No building-code or accessibility compliance is claimed. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

    1.6 MBDetails & download

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