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

2199 3D parts with Assembly · Clear all

  • Pipe tee - Original MEP CADstepRotate in 3D
    Pipe tee - Original MEP CAD

    Pipe tee - Original MEP CAD. Overall size 0.240 x 0.150 x 0.060 m; original unbranded model. Overall 240 x 150 x 60 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Pipe straight - Original MEP CADstepRotate in 3D
    Pipe straight - Original MEP CAD

    Pipe straight - Original MEP CAD. Overall size 0.060 x 0.060 x 1.000 m; original unbranded model. Overall 60 x 60 x 1000 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Pipe hanger - Original MEP CADstepRotate in 3D
    Pipe hanger - Original MEP CAD

    Pipe hanger - Original MEP CAD. Overall size 0.090 x 0.045 x 0.371 m; original unbranded model. Overall 90 x 45 x 371 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Pipe flange - Original MEP CADstepRotate in 3D
    Pipe flange - Original MEP CAD

    Pipe flange - Original MEP CAD. Overall size 0.150 x 0.150 x 0.051 m; original unbranded model. Overall 150 x 150 x 51 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Pipe elbow - Original MEP CADstepRotate in 3D
    Pipe elbow - Original MEP CAD

    Pipe elbow - Original MEP CAD. Overall size 0.120 x 0.120 x 0.060 m; original unbranded model. Overall 120 x 120 x 60 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Gate valve - Original MEP CADstepRotate in 3D
    Gate valve - Original MEP CAD

    Gate valve - Original MEP CAD. Overall size 0.245 x 0.150 x 0.280 m; original unbranded model. Overall 245 x 150 x 280 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Flexible duct - Original MEP CADstepRotate in 3D
    Flexible duct - Original MEP CAD

    Flexible duct - Original MEP CAD. Overall size 0.260 x 0.260 x 0.800 m; original unbranded model. Overall 260 x 260 x 800 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Check valve - Original MEP CADstepRotate in 3D
    Check valve - Original MEP CAD

    Check valve - Original MEP CAD. Overall size 0.245 x 0.150 x 0.150 m; original unbranded model. Overall 245 x 150 x 150 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Butterfly valve - Original MEP CADstepRotate in 3D
    Butterfly valve - Original MEP CAD

    Butterfly valve - Original MEP CAD. Overall size 0.152 x 0.150 x 0.193 m; original unbranded model. Overall 152 x 150 x 193 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Ball valve - Original MEP CADstepRotate in 3D
    Ball valve - Original MEP CAD

    Ball valve - Original MEP CAD. Overall size 0.261 x 0.150 x 0.167 m; original unbranded model. Overall 261 x 150 x 167 mm. Nominal size: Nominal 60 mm pipe / 250–400 mm duct. 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.

  • Wall combi boiler - Original MEP CADstepRotate in 3D
    Wall combi boiler - Original MEP CAD

    Wall combi boiler - Original MEP CAD. Overall size 0.451 x 0.358 x 0.781 m; original unbranded model. Overall 451 x 358 x 781 mm. Nominal size: 450 x 330 x 720 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.

  • Tankless water heater - Original MEP CADstepRotate in 3D
    Tankless water heater - Original MEP CAD

    Tankless water heater - Original MEP CAD. Overall size 0.381 x 0.208 x 0.582 m; original unbranded model. Overall 381 x 208 x 582 mm. Nominal size: 380 x 180 x 580 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.

  • Tank water heater 200 l - Original MEP CADstepRotate in 3D
    Tank water heater 200 l - Original MEP CAD

    Tank water heater 200 l - Original MEP CAD. Overall size 0.580 x 0.624 x 1.470 m; original unbranded model. Overall 580 x 624 x 1470 mm. Nominal size: 580 x 580 x 1450 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.

  • Hot water cylinder - Original MEP CADstepRotate in 3D
    Hot water cylinder - Original MEP CAD

    Hot water cylinder - Original MEP CAD. Overall size 0.664 x 0.632 x 1.570 m; original unbranded model. Overall 664 x 632 x 1570 mm. Nominal size: 620 x 620 x 1550 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.

  • Floor system boiler - Original MEP CADstepRotate in 3D
    Floor system boiler - Original MEP CAD

    Floor system boiler - Original MEP CAD. Overall size 0.601 x 0.697 x 0.961 m; original unbranded model. Overall 601 x 697 x 961 mm. Nominal size: 600 x 680 x 900 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.

  • Expansion vessel - Original MEP CADstepRotate in 3D
    Expansion vessel - Original MEP CAD

    Expansion vessel - Original MEP CAD. Overall size 0.380 x 0.380 x 0.580 m; original unbranded model. Overall 380 x 380 x 580 mm. Nominal size: 380 x 380 x 560 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.

  • Circulation pump set - Original MEP CADstepRotate in 3D
    Circulation pump set - Original MEP CAD

    Circulation pump set - Original MEP CAD. Overall size 0.600 x 0.260 x 0.341 m; original unbranded model. Overall 600 x 260 x 341 mm. Nominal size: 600 x 260 mm skid; 341.496 mm actual height. 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.

  • Buffer tank - Original MEP CADstepRotate in 3D
    Buffer tank - Original MEP CAD

    Buffer tank - Original MEP CAD. Overall size 0.605 x 0.513 x 1.120 m; original unbranded model. Overall 605 x 513 x 1120 mm. Nominal size: 500 x 500 x 1100 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.

  • Air source heat pump small - Original MEP CADstepRotate in 3D
    Air source heat pump small - Original MEP CAD

    Air source heat pump small - Original MEP CAD. Overall size 0.950 x 0.384 x 0.850 m; original unbranded model. Overall 950 x 384 x 850 mm. Nominal size: 900 x 350 x 850 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.

  • Air source heat pump large - Original MEP CADstepRotate in 3D
    Air source heat pump large - Original MEP CAD

    Air source heat pump large - Original MEP CAD. Overall size 1.200 x 0.454 x 1.450 m; original unbranded model. Overall 1200 x 454 x 1450 mm. Nominal size: 1150 x 420 x 1450 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.

  • Window surround - Original exterior modelglbRotate in 3D
    Window surround - Original exterior model

    Window surround - Original exterior model. Overall size 1.600 x 0.250 x 1.800 m; original unbranded model. Overall 1600 x 250 x 1800 mm. Nominal size: 1600 x 250 x 1800 mm overall. 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.

  • Tuscan column - Original exterior modelglbRotate in 3D
    Tuscan column - Original exterior model

    Tuscan column - Original exterior model. Overall size 0.620 x 0.620 x 3.000 m; original unbranded model. Overall 0.6 x 0.6 x 3 m. Nominal size: 620 x 620 x 3000 mm overall. 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.

  • String course - Original exterior modelglbRotate in 3D
    String course - Original exterior model

    String course - Original exterior model. Overall size 1.000 x 0.184 x 0.116 m; original unbranded model. Overall 1000 x 184 x 116 mm. Nominal size: 1000 x 184 x 116 mm overall. 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.

  • Square column - Original exterior modelglbRotate in 3D
    Square column - Original exterior model

    Square column - Original exterior model. Overall size 0.500 x 0.500 x 3.000 m; original unbranded model. Overall 0.5 x 0.5 x 3 m. Nominal size: 500 x 500 x 3000 mm overall. 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.

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