Free CAD Solid Models

Exact solid geometry (STEP and similar), ready to open in any CAD system, measure, section and modify. Every file here is public domain: open it in your browser, then download it and use it for anything.

10951 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain

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796 3D parts with CAD solid · Clear all

  • Dental operatory light - Original lighting CADstepRotate in 3D
    Dental operatory light - Original lighting CAD

    Dental operatory light - Original lighting CAD. Overall size 1.074 x 0.420 x 1.612 m; original unbranded model. Overall 1074 x 420 x 1612 mm. Nominal size: 1074 x 420 x 1612 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.

  • Cleanroom sealed troffer 2 x 4 - Original lighting CADstepRotate in 3D
    Cleanroom sealed troffer 2 x 4 - Original lighting CAD

    Cleanroom sealed troffer 2 x 4 - Original lighting CAD. Overall size 0.610 x 1.219 x 0.086 m; original unbranded model. Overall 610 x 1219 x 86 mm. Nominal size: 2 x 4 ft. 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.

  • Ceiling mounted exam light on arm - Original lighting CADstepRotate in 3D
    Ceiling mounted exam light on arm - Original lighting CAD

    Ceiling mounted exam light on arm - Original lighting CAD. Overall size 0.921 x 0.189 x 0.927 m; original unbranded model. Overall 921 x 189 x 927 mm. Nominal size: 921 x 190 x 927 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.

  • Upright sprinkler head - Original MEP CADstepRotate in 3D
    Upright sprinkler head - Original MEP CAD

    Upright sprinkler head - Original MEP CAD. Overall size 0.042 x 0.042 x 0.071 m; original unbranded model. Overall 42 x 42 x 71 mm. Nominal size: 42 x 42 x 74 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.

  • Sounder beacon - Original MEP CADstepRotate in 3D
    Sounder beacon - Original MEP CAD

    Sounder beacon - Original MEP CAD. Overall size 0.111 x 0.111 x 0.145 m; original unbranded model. Overall 111 x 111 x 145 mm. Nominal size: 110 x 105 x 145 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.

  • Roof access hatch - Original MEP CADstepRotate in 3D
    Roof access hatch - Original MEP CAD

    Roof access hatch - Original MEP CAD. Overall size 1.030 x 1.074 x 0.330 m; original unbranded model. Overall 1030 x 1074 x 330 mm. Nominal size: 1000 x 1000 x 330 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.

  • Pendant sprinkler head - Original MEP CADstepRotate in 3D
    Pendant sprinkler head - Original MEP CAD

    Pendant sprinkler head - Original MEP CAD. Overall size 0.042 x 0.042 x 0.071 m; original unbranded model. Overall 42 x 42 x 71 mm. Nominal size: 42 x 42 x 74 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.

  • Manual call point - Original MEP CADstepRotate in 3D
    Manual call point - Original MEP CAD

    Manual call point - Original MEP CAD. Overall size 0.090 x 0.057 x 0.090 m; original unbranded model. Overall 90 x 57 x 90 mm. Nominal size: 90 x 45 x 90 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.

  • Fire hose reel cabinet - Original MEP CADstepRotate in 3D
    Fire hose reel cabinet - Original MEP CAD

    Fire hose reel cabinet - Original MEP CAD. Overall size 0.800 x 0.327 x 0.900 m; original unbranded model. Overall 800 x 327 x 900 mm. Nominal size: 800 x 300 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.

  • Fire extinguisher cabinet - Original MEP CADstepRotate in 3D
    Fire extinguisher cabinet - Original MEP CAD

    Fire extinguisher cabinet - Original MEP CAD. Overall size 0.420 x 0.247 x 0.900 m; original unbranded model. Overall 420 x 247 x 900 mm. Nominal size: 420 x 220 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.

  • Fire door closer - Original MEP CADstepRotate in 3D
    Fire door closer - Original MEP CAD

    Fire door closer - Original MEP CAD. Overall size 0.220 x 0.189 x 0.077 m; original unbranded model. Overall 220 x 189 x 77 mm. Nominal size: 260 x 60 x 80 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.

  • Fire blanket - Original MEP CADstepRotate in 3D
    Fire blanket - Original MEP CAD

    Fire blanket - Original MEP CAD. Overall size 0.180 x 0.082 x 0.340 m; original unbranded model. Overall 180 x 82 x 340 mm. Nominal size: 180 x 80 x 300 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.

  • Fire alarm panel - Original MEP CADstepRotate in 3D
    Fire alarm panel - Original MEP CAD

    Fire alarm panel - Original MEP CAD. Overall size 0.420 x 0.114 x 0.540 m; original unbranded model. Overall 420 x 114 x 540 mm. Nominal size: 420 x 100 x 540 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.

  • Extinguisher stand pair - Original MEP CADstepRotate in 3D
    Extinguisher stand pair - Original MEP CAD

    Extinguisher stand pair - Original MEP CAD. Overall size 0.500 x 0.330 x 0.815 m; original unbranded model. Overall 500 x 330 x 815 mm. Nominal size: 500 x 330 x 820 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.

  • Emergency assembly sign - Original MEP CADstepRotate in 3D
    Emergency assembly sign - Original MEP CAD

    Emergency assembly sign - Original MEP CAD. Overall size 0.600 x 0.012 x 0.400 m; original unbranded model. Overall 600 x 12 x 400 mm. Nominal size: 600 x 10 x 400 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.

  • Dry riser inlet - Original MEP CADstepRotate in 3D
    Dry riser inlet - Original MEP CAD

    Dry riser inlet - Original MEP CAD. Overall size 0.600 x 0.180 x 0.480 m; original unbranded model. Overall 600 x 180 x 480 mm. Nominal size: 600 x 180 x 480 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.

  • Concealed sprinkler head - Original MEP CADstepRotate in 3D
    Concealed sprinkler head - Original MEP CAD

    Concealed sprinkler head - Original MEP CAD. Overall size 0.076 x 0.076 x 0.045 m; original unbranded model. Overall 76 x 76 x 6 mm. Nominal size: 76 x 76 x 45 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.

  • Wall inverter - Original MEP CADstepRotate in 3D
    Wall inverter - Original MEP CAD

    Wall inverter - Original MEP CAD. Overall size 0.450 x 0.243 x 0.676 m; original unbranded model. Overall 450 x 243 x 676 mm. Nominal size: 449.9 x 243 x 675.9 mm overall. 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 home battery - Original MEP CADstepRotate in 3D
    Wall home battery - Original MEP CAD

    Wall home battery - Original MEP CAD. Overall size 0.760 x 0.222 x 1.200 m; original unbranded model. Overall 760 x 222 x 1200 mm. Nominal size: 759.8 x 222 x 1199.8 mm overall. 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 ev charger - Original MEP CADstepRotate in 3D
    Wall ev charger - Original MEP CAD

    Wall ev charger - Original MEP CAD. Overall size 0.493 x 0.202 x 0.425 m; original unbranded model. Overall 505 x 212 x 420 mm. Nominal size: 493 x 202 x 425 mm overall. 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.

  • Solar panel large - Original MEP CADstepRotate in 3D
    Solar panel large - Original MEP CAD

    Solar panel large - Original MEP CAD. Overall size 1.130 x 0.054 x 2.100 m; original unbranded model. Overall 1.1 x 0.1 x 2.1 m. Nominal size: 1129.8 x 54 x 2099.6 mm overall. 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.

  • Solar panel compact - Original MEP CADstepRotate in 3D
    Solar panel compact - Original MEP CAD

    Solar panel compact - Original MEP CAD. Overall size 1.000 x 0.054 x 1.700 m; original unbranded model. Overall 1000 x 54 x 1700 mm. Nominal size: 999.8 x 54 x 1699.7 mm overall. 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.

  • Roof mounting rail set - Original MEP CADstepRotate in 3D
    Roof mounting rail set - Original MEP CAD

    Roof mounting rail set - Original MEP CAD. Overall size 2.400 x 1.240 x 0.080 m; original unbranded model. Overall 2.4 x 1.2 x 0.1 m. Nominal size: 2399.5 x 1240 x 80 mm overall. 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.

  • Pedestal ev charger - Original MEP CADstepRotate in 3D
    Pedestal ev charger - Original MEP CAD

    Pedestal ev charger - Original MEP CAD. Overall size 0.593 x 0.310 x 1.550 m; original unbranded model. Overall 593 x 310 x 1550 mm. Nominal size: 593 x 309.9 x 1549.9 mm overall. 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.

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Designed a part others could use? Upload STEP, STL, SketchUp or other 3D files, or a zip of them, and describe each one. Everything is reviewed before it appears, released under CC0, and kept for 1 to 5 years depending on file size. You can also add a single file from the viewer’s Share dialog. See the library terms.

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