Free Mechanical 3D Models

Machined parts, gears, ball bearings, stepper motors and other mechanical components. Every file here is public domain: open it in your browser, then download it and use it for anything.

3444 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain

310 3D parts in Mechanical · Clear all

  • 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.

  • Micro wind turbine - Original MEP CADstepRotate in 3D
    Micro wind turbine - Original MEP CAD

    Micro wind turbine - Original MEP CAD. Overall size 1.501 x 0.960 x 4.100 m; original unbranded model. Overall 1.5 x 1 x 4.1 m. Nominal size: 1501.1 x 959.9 x 4099.9 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.

  • Ground mount array ten panel - Original MEP CADstepRotate in 3D
    Ground mount array ten panel - Original MEP CAD

    Ground mount array ten panel - Original MEP CAD. Overall size 5.639 x 3.375 x 1.811 m; original unbranded model. Overall 5.6 x 3.4 x 1.8 m. Nominal size: 5638.9 x 3375.2 x 1810.9 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.

  • Ev cable holder - Original MEP CADstepRotate in 3D
    Ev cable holder - Original MEP CAD

    Ev cable holder - Original MEP CAD. Overall size 0.200 x 0.151 x 0.270 m; original unbranded model. Overall 200 x 151 x 270 mm. Nominal size: 200 x 151 x 269.9 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.

  • Dc fast charger - Original MEP CADstepRotate in 3D
    Dc fast charger - Original MEP CAD

    Dc fast charger - Original MEP CAD. Overall size 1.266 x 0.416 x 1.900 m; original unbranded model. Overall 1266 x 416 x 1900 mm. Nominal size: 1266 x 416 x 1899.6 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.

  • Charging bay bollards - Original MEP CADstepRotate in 3D
    Charging bay bollards - Original MEP CAD

    Charging bay bollards - Original MEP CAD. Overall size 1.880 x 0.220 x 0.990 m; original unbranded model. Overall 1880 x 220 x 990 mm. Nominal size: 1880 x 220 x 990 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 rack 24u - Original MEP CADstepRotate in 3D
    Wall rack 24u - Original MEP CAD

    Wall rack 24u - Original MEP CAD. Overall size 0.600 x 0.649 x 1.200 m; original unbranded model. Overall 600 x 499 x 1200 mm. Nominal size: 24U. 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.

  • Server rack 42u - Original MEP CADstepRotate in 3D
    Server rack 42u - Original MEP CAD

    Server rack 42u - Original MEP CAD. Overall size 0.600 x 1.104 x 2.017 m; original unbranded model. Overall 0.6 x 1.1 x 2 m. Nominal size: 42U. 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.

  • Server 2u - Original MEP CADstepRotate in 3D
    Server 2u - Original MEP CAD

    Server 2u - Original MEP CAD. Overall size 0.483 x 0.684 x 0.089 m; original unbranded model. Overall 483 x 684 x 89 mm. Nominal size: 2U. 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.

  • Raised floor tile - Original MEP CADstepRotate in 3D
    Raised floor tile - Original MEP CAD

    Raised floor tile - Original MEP CAD. Overall size 0.600 x 0.600 x 0.035 m; original unbranded model. Overall 600 x 600 x 35 mm. Nominal size: 600 x 600 x 35 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.

  • Rack ups - Original MEP CADstepRotate in 3D
    Rack ups - Original MEP CAD

    Rack ups - Original MEP CAD. Overall size 0.483 x 0.684 x 0.133 m; original unbranded model. Overall 483 x 684 x 133 mm. Nominal size: 3U. 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.

  • Rack pdu - Original MEP CADstepRotate in 3D
    Rack pdu - Original MEP CAD

    Rack pdu - Original MEP CAD. Overall size 0.055 x 0.089 x 1.500 m; original unbranded model. Overall 55 x 89 x 1500 mm. Nominal size: 55 x 65 x 1500 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.

  • Rack blanking panel 1u - Original MEP CADstepRotate in 3D
    Rack blanking panel 1u - Original MEP CAD

    Rack blanking panel 1u - Original MEP CAD. Overall size 0.483 x 0.002 x 0.044 m; original unbranded model. Overall 483 x 2 x 44 mm. Nominal size: 1U. 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.

  • Patch panel 24 port - Original MEP CADstepRotate in 3D
    Patch panel 24 port - Original MEP CAD

    Patch panel 24 port - Original MEP CAD. Overall size 0.483 x 0.144 x 0.044 m; original unbranded model. Overall 483 x 144 x 44 mm. Nominal size: 1U. 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.

  • Network switch 1u - Original MEP CADstepRotate in 3D
    Network switch 1u - Original MEP CAD

    Network switch 1u - Original MEP CAD. Overall size 0.483 x 0.384 x 0.044 m; original unbranded model. Overall 483 x 384 x 44 mm. Nominal size: 1U. 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.

  • In row cooler - Original MEP CADstepRotate in 3D
    In row cooler - Original MEP CAD

    In row cooler - Original MEP CAD. Overall size 0.301 x 1.117 x 2.000 m; original unbranded model. Overall 301 x 1117 x 2000 mm. Nominal size: 300 x 1070 x 2000 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 aisle door - Original MEP CADstepRotate in 3D
    Hot aisle door - Original MEP CAD

    Hot aisle door - Original MEP CAD. Overall size 1.200 x 0.080 x 2.200 m; original unbranded model. Overall 1.2 x 0.1 x 2.2 m. Nominal size: 1200 x 80 x 2200 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.

  • Cable management - Original MEP CADstepRotate in 3D
    Cable management - Original MEP CAD

    Cable management - Original MEP CAD. Overall size 0.483 x 0.104 x 0.089 m; original unbranded model. Overall 483 x 104 x 89 mm. Nominal size: 2U. 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.

  • Ups floor unit - Original MEP CADstepRotate in 3D
    Ups floor unit - Original MEP CAD

    Ups floor unit - Original MEP CAD. Overall size 0.450 x 0.796 x 1.250 m; original unbranded model. Overall 450 x 796 x 1250 mm. Nominal size: 450 x 780 x 1250 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.

  • Switchboard - Original MEP CADstepRotate in 3D
    Switchboard - Original MEP CAD

    Switchboard - Original MEP CAD. Overall size 1.600 x 0.644 x 2.100 m; original unbranded model. Overall 1.6 x 0.6 x 2.1 m. Nominal size: 1600 x 600 x 2100 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.

  • Standby generator enclosure - Original MEP CADstepRotate in 3D
    Standby generator enclosure - Original MEP CAD

    Standby generator enclosure - Original MEP CAD. Overall size 2.300 x 0.960 x 1.597 m; original unbranded model. Overall 2.3 x 1 x 1.6 m. Nominal size: 2300 x 950 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.

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