Free STEP Models

STEP solid models, which open in SolidWorks, Fusion, Inventor, FreeCAD and every other CAD system. Every file here is public domain: open it in your browser, then download it or export it to another format.

3161 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain

All 715Mechanical 234Fasteners & hardware 184Lighting 115Architecture & BIM 76Electronics & PCB 57Tools & jigs 57Furniture & interiors 22Vehicles 11
Features:Real-world scale 715Assembly 463Low-poly 57CAD solid 715

715 3D parts as STEP · Clear all

  • Worm reduction gearboxstepRotate in 3D
    Worm reduction gearbox

    Worm reduction gearbox. Overall size 0.176 x 0.161 x 0.144 m; original unbranded model. Overall 176 x 161 x 144 mm. Nominal size: 176.00 x 161.00 x 144.00 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.

    1.3 MBDetails & download
  • Variable speed mechanical drivestepRotate in 3D
    Variable speed mechanical drive

    Variable speed mechanical drive. Overall size 0.641 x 0.338 x 0.270 m; original unbranded model. Overall 641 x 338 x 270 mm. Nominal size: 641.00 x 338.00 x 270.00 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.

    5.7 MBDetails & download
  • Right-angle mechanical drivestepRotate in 3D
    Right-angle mechanical drive

    Right-angle mechanical drive. Overall size 0.046 x 0.046 x 0.022 m; original unbranded model. Overall 46 x 46 x 22 mm. Nominal size: 46.00 x 46.00 x 22.25 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.

    556 KBDetails & download
  • Planetary gearbox, nominal 5:1 ratiostepRotate in 3D
    Planetary gearbox, nominal 5:1 ratio

    Planetary gearbox, nominal 5:1 ratio. Overall size 0.200 x 0.130 x 0.219 m; original unbranded model. Overall 200 x 130 x 219 mm. Nominal size: 200.00 x 130.00 x 219.00 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.

    16.8 MBDetails & download
  • Planetary gearbox, nominal 3:1 ratiostepRotate in 3D
    Planetary gearbox, nominal 3:1 ratio

    Planetary gearbox, nominal 3:1 ratio. Overall size 0.200 x 0.130 x 0.219 m; original unbranded model. Overall 200 x 130 x 219 mm. Nominal size: 200.00 x 130.00 x 219.00 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.

    13.3 MBDetails & download
  • Planetary gearbox, nominal 10:1 ratiostepRotate in 3D
    Planetary gearbox, nominal 10:1 ratio

    Planetary gearbox, nominal 10:1 ratio. Overall size 0.218 x 0.130 x 0.237 m; original unbranded model. Overall 218 x 130 x 237 mm. Nominal size: 218.00 x 130.00 x 237.00 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.

    28.8 MBDetails & download
  • Inline helical gearboxstepRotate in 3D
    Inline helical gearbox

    Inline helical gearbox. Overall size 0.301 x 0.160 x 0.168 m; original unbranded model. Overall 301 x 160 x 168 mm. Nominal size: 301.00 x 160.00 x 168.00 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.

    1.5 MBDetails & download
  • Chain drive with attached guardstepRotate in 3D
    Chain drive with attached guard

    Chain drive with attached guard. Overall size 0.520 x 0.290 x 0.227 m; original unbranded model. Overall 520 x 290 x 227 mm. Nominal size: 520.00 x 290.00 x 226.50 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.

    8.8 MBDetails & download
  • Bevel gearboxstepRotate in 3D
    Bevel gearbox

    Bevel gearbox. Overall size 0.143 x 0.143 x 0.098 m; original unbranded model. Overall 143 x 143 x 98 mm. Nominal size: 143.10 x 143.10 x 98.00 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.

    852 KBDetails & download
  • Belt drive with attached guardstepRotate in 3D
    Belt drive with attached guard

    Belt drive with attached guard. Overall size 0.560 x 0.290 x 0.282 m; original unbranded model. Overall 560 x 290 x 282 mm. Nominal size: 560.00 x 290.00 x 281.50 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.

    2.1 MBDetails & download
  • Endless webbing lifting slingstepRotate in 3D
    Endless webbing lifting sling

    Endless webbing lifting sling. Overall size 0.070 x 0.165 x 0.911 m; original unbranded model. Overall 70 x 165 x 911 mm. Nominal size: 70.50 x 164.78 x 911.67 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.

    543 KBDetails & download
  • Eye-to-eye turnbuckle M8stepM8Rotate in 3D
    Eye-to-eye turnbuckle M8

    Eye-to-eye turnbuckle M8. Overall size 0.023 x 0.014 x 0.220 m; original unbranded model. Overall 23 x 14 x 220 mm. Nominal size: 23.00 x 13.60 x 220.00 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.

    4.2 MBDetails & download
  • Eye-to-eye turnbuckle M20stepM20Rotate in 3D
    Eye-to-eye turnbuckle M20

    Eye-to-eye turnbuckle M20. Overall size 0.058 x 0.034 x 0.430 m; original unbranded model. Overall 58 x 34 x 430 mm. Nominal size: 58.00 x 34.00 x 430.00 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.

    4.7 MBDetails & download
  • Eye-to-eye turnbuckle M12stepM12Rotate in 3D
    Eye-to-eye turnbuckle M12

    Eye-to-eye turnbuckle M12. Overall size 0.036 x 0.020 x 0.275 m; original unbranded model. Overall 36 x 20 x 275 mm. Nominal size: 36.00 x 20.40 x 275.00 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.

    4.0 MBDetails & download
  • Scissor lift tablestepRotate in 3D
    Scissor lift table

    Scissor lift table. Overall size 0.928 x 0.500 x 0.870 m; original unbranded model. Overall 928 x 500 x 870 mm. Nominal size: 928.00 x 500.00 x 870.00 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.

    3.6 MBDetails & download
  • Hand pallet lifterstepRotate in 3D
    Hand pallet lifter

    Hand pallet lifter. Overall size 1.608 x 0.520 x 1.075 m; original unbranded model. Overall 1608 x 520 x 1075 mm. Nominal size: 1608.23 x 520.00 x 1074.59 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.

    2.2 MBDetails & download
  • Lifting hook with safety latchstepRotate in 3D
    Lifting hook with safety latch

    Lifting hook with safety latch. Overall size 0.098 x 0.022 x 0.160 m; original unbranded model. Overall 98 x 22 x 160 mm. Nominal size: 98.00 x 22.00 x 160.30 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.

    465 KBDetails & download
  • Folding engine cranestepRotate in 3D
    Folding engine crane

    Folding engine crane. Overall size 1.780 x 1.065 x 1.828 m; original unbranded model. Overall 1780 x 1065 x 1828 mm. Nominal size: 1780.00 x 1065.00 x 1828.27 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.

    2.9 MBDetails & download
  • Electric hoist on beam trolleystepRotate in 3D
    Electric hoist on beam trolley

    Electric hoist on beam trolley. Overall size 0.640 x 0.371 x 1.040 m; original unbranded model. Overall 640 x 371 x 1040 mm. Nominal size: 640.00 x 371.00 x 1039.86 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.

    1.6 MBDetails & download
  • DIN 582-style lifting eye nut M8stepM8Rotate in 3D
    DIN 582-style lifting eye nut M8

    DIN 582-style lifting eye nut M8. Overall size 0.036 x 0.020 x 0.036 m; original unbranded model. Overall 36 x 20 x 36 mm. Nominal size: 36.00 x 20.00 x 36.00 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.

    859 KBDetails & download
  • DIN 582-style lifting eye nut M20stepM20Rotate in 3D
    DIN 582-style lifting eye nut M20

    DIN 582-style lifting eye nut M20. Overall size 0.072 x 0.040 x 0.071 m; original unbranded model. Overall 72 x 40 x 71 mm. Nominal size: 72.00 x 40.00 x 71.00 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.

    905 KBDetails & download
  • DIN 582-style lifting eye nut M12stepM12Rotate in 3D
    DIN 582-style lifting eye nut M12

    DIN 582-style lifting eye nut M12. Overall size 0.054 x 0.030 x 0.053 m; original unbranded model. Overall 54 x 30 x 53 mm. Nominal size: 54.00 x 30.00 x 53.00 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.

    899 KBDetails & download
  • DIN 580-style lifting eye bolt M8stepM8Rotate in 3D
    DIN 580-style lifting eye bolt M8

    DIN 580-style lifting eye bolt M8. Overall size 0.036 x 0.020 x 0.049 m; original unbranded model. Overall 36 x 20 x 49 mm. Nominal size: 36.00 x 20.00 x 49.00 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.

    949 KBDetails & download
  • DIN 580-style lifting eye bolt M6stepM6Rotate in 3D
    DIN 580-style lifting eye bolt M6

    DIN 580-style lifting eye bolt M6. Overall size 0.036 x 0.020 x 0.049 m; original unbranded model. Overall 36 x 20 x 49 mm. Nominal size: 36.00 x 20.00 x 49.00 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.

    1.1 MBDetails & download

Looking for 2D drawings, blocks and details? Browse the Drawing Library (1332).

Share Your Parts

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.

Contribute parts

Parts here are contributed by their authors or come from public-domain collections. If you believe a file infringes your rights, use Report on its viewer page or see our copyright policy.