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.

3424 3D parts · STEP, STL, SketchUp, 3MF, OBJ, glTF, IFC, Rhino and more · public domain

2257 3D parts with Assembly · Clear all

  • Ball bearing 6205 (sealed)step6205Rotate in 3D
    Ball bearing 6205 (sealed)

    Ball bearing 6205 (sealed), modeled from published dimensions. Overall 52 x 52 x 15 mm. Key dimensions: bore 25 mm; outside diameter 52 mm; width 15 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6204 (sealed)step6204Rotate in 3D
    Ball bearing 6204 (sealed)

    Ball bearing 6204 (sealed), modeled from published dimensions. Overall 47 x 47 x 14 mm. Key dimensions: bore 20 mm; outside diameter 47 mm; width 14 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6203 (sealed)step6203Rotate in 3D
    Ball bearing 6203 (sealed)

    Ball bearing 6203 (sealed), modeled from published dimensions. Overall 40 x 40 x 12 mm. Key dimensions: bore 17 mm; outside diameter 40 mm; width 12 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6202 (sealed)step6202Rotate in 3D
    Ball bearing 6202 (sealed)

    Ball bearing 6202 (sealed), modeled from published dimensions. Overall 35 x 35 x 11 mm. Key dimensions: bore 15 mm; outside diameter 35 mm; width 11 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6201 (sealed)step6201Rotate in 3D
    Ball bearing 6201 (sealed)

    Ball bearing 6201 (sealed), modeled from published dimensions. Overall 32 x 32 x 10 mm. Key dimensions: bore 12 mm; outside diameter 32 mm; width 10 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6200 (sealed)step6200Rotate in 3D
    Ball bearing 6200 (sealed)

    Ball bearing 6200 (sealed), modeled from published dimensions. Overall 30 x 30 x 9 mm. Key dimensions: bore 10 mm; outside diameter 30 mm; width 9 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 608 (sealed)step608Rotate in 3D
    Ball bearing 608 (sealed)

    Ball bearing 608 (sealed), modeled from published dimensions. Overall 22 x 22 x 7 mm. Key dimensions: bore 8 mm; outside diameter 22 mm; width 7 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6005 (sealed)step6005Rotate in 3D
    Ball bearing 6005 (sealed)

    Ball bearing 6005 (sealed), modeled from published dimensions. Overall 47 x 47 x 12 mm. Key dimensions: bore 25 mm; outside diameter 47 mm; width 12 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6004 (sealed)step6004Rotate in 3D
    Ball bearing 6004 (sealed)

    Ball bearing 6004 (sealed), modeled from published dimensions. Overall 42 x 42 x 12 mm. Key dimensions: bore 20 mm; outside diameter 42 mm; width 12 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6003 (sealed)step6003Rotate in 3D
    Ball bearing 6003 (sealed)

    Ball bearing 6003 (sealed), modeled from published dimensions. Overall 35 x 35 x 10 mm. Key dimensions: bore 17 mm; outside diameter 35 mm; width 10 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6002 (sealed)step6002Rotate in 3D
    Ball bearing 6002 (sealed)

    Ball bearing 6002 (sealed), modeled from published dimensions. Overall 32 x 32 x 9 mm. Key dimensions: bore 15 mm; outside diameter 32 mm; width 9 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6001 (sealed)step6001Rotate in 3D
    Ball bearing 6001 (sealed)

    Ball bearing 6001 (sealed), modeled from published dimensions. Overall 28 x 28 x 8 mm. Key dimensions: bore 12 mm; outside diameter 28 mm; width 8 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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 bearing 6000 (sealed)step6000Rotate in 3D
    Ball bearing 6000 (sealed)

    Ball bearing 6000 (sealed), modeled from published dimensions. Overall 26 x 26 x 8 mm. Key dimensions: bore 10 mm; outside diameter 26 mm; width 8 mm; configuration Recessed dual seals; simplified internal envelope. Bore, outside diameter and width match the cited manufacturer dimensional table. Races and seal profiles are representative. Balls, cage, grease and internal clearances are omitted; this is an installation-envelope model. No load or speed rating is implied by this generic geometry. 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.

  • NEMA 23 stepper motor 23HS22-2804SstepNEMA 23Rotate in 3D
    NEMA 23 stepper motor 23HS22-2804S

    NEMA 23 stepper motor 23HS22-2804S, modeled from published dimensions. Overall 57.3 x 59.3 x 77 mm. Key dimensions: drawing reference 23HS22-2804S; body width max 57.3 mm; body length max 56 mm; mount hole spacing XY 47.1 mm; mount hole diameter 5.2 mm; mount hole type 5.2 mm through clearance; shaft diameter 6.4 mm; shaft projection from mount face 21 mm; shaft flat dimension 5.9 mm; shaft flat length 15 mm; locating boss diameter 38.1 mm; locating boss height 1.6 mm. Mounting pattern, nominal shaft/flat/boss geometry and maximum body envelope follow the cited manufacturer drawing. Z=0 is the mounting face. Internal motor construction, long cable, markings and connector contacts are omitted. Case seams, fastener details and connector housing are representative. Mounting taps are shown as nominal cylindrical envelopes. 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.

  • NEMA 17 stepper motor 17HS15-1504SstepNEMA 17Rotate in 3D
    NEMA 17 stepper motor 17HS15-1504S

    NEMA 17 stepper motor 17HS15-1504S, modeled from published dimensions. Overall 42.3 x 48.8 x 62.8 mm. Key dimensions: drawing reference 17HS15-1504S; body width max 42.3 mm; body length max 39.3 mm; mount hole spacing XY 31 mm; mount hole diameter 3 mm; mount hole type M3 nominal threaded envelope, depth 4.5; shaft diameter 5 mm; shaft projection from mount face 23.5 mm; shaft flat dimension 4.5 mm; shaft flat length 18 mm; locating boss diameter 22 mm; locating boss height 2 mm. Mounting pattern, nominal shaft/flat/boss geometry and maximum body envelope follow the cited manufacturer drawing. Z=0 is the mounting face. Internal motor construction, long cable, markings and connector contacts are omitted. Case seams, fastener details and connector housing are representative. Mounting taps are shown as nominal cylindrical envelopes. 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.

  • Pivot Reflect - MirrorglbRotate in 3D
    Pivot Reflect - Mirror

    Pivoting circular vanity mirror on a U-yoke above a weighted wooden base. Finish: Bronze / walnut / mirrored glass. Overall size 23.9 x 16.6 x 37.3 cm (W x D x H), modeled in meters at real-world scale with the floor at zero. Textured PBR materials are embedded in the GLB. About 4k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  • Oval Reflect - MirrorglbRotate in 3D
    Oval Reflect - Mirror

    Oval wall mirror with a rounded metal frame and recessed reflective surface. Finish: Bronze / mirrored glass. Overall size 34.2 x 3.1 x 47.8 cm (W x D x H), modeled in meters at real-world scale with the floor at zero. Textured PBR materials are embedded in the GLB. About 2k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  • Wedge Stop - Home AccessoryglbRotate in 3D
    Wedge Stop - Home Accessory

    Sloped door wedge with ribbed rubber underside and a short pull loop. Finish: Natural oak / graphite rubber. Overall size 14.8 x 5 x 4.3 cm (W x D x H), modeled in meters at real-world scale with the floor at zero. Textured PBR materials are embedded in the GLB. About 3k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  • Paper Mesh - Home AccessoryglbRotate in 3D
    Paper Mesh - Home Accessory

    Tapered open wire wastebasket with a solid lower disc and rolled rim. Finish: Graphite wire. Overall size 27.8 x 27.8 x 29.5 cm (W x D x H), modeled in meters at real-world scale with the floor at zero. Textured PBR materials are embedded in the GLB. About 31k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  • Soft Tissue - Home AccessoryglbRotate in 3D
    Soft Tissue - Home Accessory

    Tissue-box cover with a real top slot and one folded tissue emerging through it. Finish: Walnut / ivory. Overall size 23.9 x 12.9 x 17.5 cm (W x D x H), modeled in meters at real-world scale with the floor at zero. Textured PBR materials are embedded in the GLB. About 3k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  • Oval Serve - Home AccessoryglbRotate in 3D
    Oval Serve - Home Accessory

    Empty oval serving tray with shallow cavity and two raised loop handles. Finish: Natural teak / bronze. Overall size 40.2 x 25 x 7.2 cm (W x D x H), modeled in meters at real-world scale with the floor at zero. Textured PBR materials are embedded in the GLB. About 3k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  • Focus Lens - Desk AccessoryglbRotate in 3D
    Focus Lens - Desk Accessory

    Hand magnifier with framed optical lens, turned handle and connecting tang. Finish: Bronze / walnut / clear glass. Overall size 9.2 x 20.4 x 1.8 cm (W x D x H), modeled in meters at real-world scale with the floor at zero. Textured PBR materials are embedded in the GLB. About 2k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  • Service Bell - Desk AccessoryglbRotate in 3D
    Service Bell - Desk Accessory

    Counter bell with domed resonator, sprung button and weighted circular base. Finish: Bronze / graphite. Overall size 9 x 9 x 8.5 cm (W x D x H), modeled in meters at real-world scale with the floor at zero. Textured PBR materials are embedded in the GLB. About 2k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  • Card Rest - Desk AccessoryglbRotate in 3D
    Card Rest - Desk Accessory

    Empty sloped desktop card holder with shallow rear pocket and raised front lip. Finish: Walnut / bronze. Overall size 11.7 x 6.9 x 7.8 cm (W x D x H), modeled in meters at real-world scale with the floor at zero. Textured PBR materials are embedded in the GLB. About 2k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

Looking for 2D drawings, blocks and details? Browse the Drawing Library (1335).

Request a Part

If the library doesn’t have what you need, tell us. Requests decide what we add next. Leave an email and we’ll send you one message when it’s added.

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.