Free Mechanical 3D Models

318 3D parts in Mechanical · Clear all

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  2GT 20-tooth drive pulley

  2GT 20-tooth drive pulley, modeled from published dimensions. Overall 15.8 x 15.8 x 13.5 mm. Key dimensions: pitch 2 mm; teeth 20; pitch diameter 12.7 mm; belt width 6 mm; toothed face width 6.5 mm; bore 5 mm; set screw pilot 2.5 mm. Original pulley flange, hub and bore dimensions. Toothed variants use the published Misumi 2GT belt profile (R0.15/R1.00/R0.555, 0.75 mm height, 0.254 mm pitch-line differential) bent onto the pitch circle and used as a nominal groove envelope. The profile is spline-approximated after circular mapping. No vendor sprocket machining allowance or manufacturing tooth-form certification is implied. Set-screw holes are unthreaded pilots; idlers omit internal bearing races. 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.

  2.4 MBDetails & download
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  2GT 16-tooth drive pulley

  2GT 16-tooth drive pulley, modeled from published dimensions. Overall 13.3 x 13.3 x 13.5 mm. Key dimensions: pitch 2 mm; teeth 16; pitch diameter 10.2 mm; belt width 6 mm; toothed face width 6.5 mm; bore 5 mm; set screw pilot 2.5 mm. Original pulley flange, hub and bore dimensions. Toothed variants use the published Misumi 2GT belt profile (R0.15/R1.00/R0.555, 0.75 mm height, 0.254 mm pitch-line differential) bent onto the pitch circle and used as a nominal groove envelope. The profile is spline-approximated after circular mapping. No vendor sprocket machining allowance or manufacturing tooth-form certification is implied. Set-screw holes are unthreaded pilots; idlers omit internal bearing races. 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.

  2.0 MBDetails & download
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  2GT 20-tooth idler

  2GT 20-tooth idler, modeled from published dimensions. Overall 15.8 x 15.8 x 8.5 mm. Key dimensions: pitch 2 mm; teeth 20; pitch diameter 12.7 mm; belt width 6 mm; toothed face width 6.5 mm; bore 5 mm. Original pulley flange, hub and bore dimensions. Toothed variants use the published Misumi 2GT belt profile (R0.15/R1.00/R0.555, 0.75 mm height, 0.254 mm pitch-line differential) bent onto the pitch circle and used as a nominal groove envelope. The profile is spline-approximated after circular mapping. No vendor sprocket machining allowance or manufacturing tooth-form certification is implied. Set-screw holes are unthreaded pilots; idlers omit internal bearing races. 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.

  2.3 MBDetails & download
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  2GT belt, 200 mm pitch loop

  2GT belt, 200 mm pitch loop, modeled from published dimensions. Overall 64.4 x 64.4 x 6 mm. Key dimensions: pitch 2 mm; tooth count 100; pitch length 200 mm; width 6 mm; overall thickness 1.4 mm; tooth height 0.8 mm; back thickness 0.6 mm; root fillet 0.2 mm; flank radius 1 mm; tip radius 0.6 mm; pitch line differential 0.3 mm. Original CAD using the published Misumi 2GT three-radius tooth section, including root lands and tangent arcs. Circular belt is shown relaxed at constant pitch radius; no tensile cords or tooth deformation are simulated. These dimensions describe the Misumi 2GT section, not every Gates-branded GT2 product. 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.

  13.1 MBDetails & download
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  2GT belt, 100 mm strip

  2GT belt, 100 mm strip, modeled from published dimensions. Overall 100 x 1.4 x 6 mm. Key dimensions: pitch 2 mm; tooth count 50; pitch length 100 mm; width 6 mm; overall thickness 1.4 mm; tooth height 0.8 mm; back thickness 0.6 mm; root fillet 0.2 mm; flank radius 1 mm; tip radius 0.6 mm; pitch line differential 0.3 mm. Original CAD using the published Misumi 2GT three-radius tooth section, including root lands and tangent arcs. Circular belt is shown relaxed at constant pitch radius; no tensile cords or tooth deformation are simulated. These dimensions describe the Misumi 2GT section, not every Gates-branded GT2 product. 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.

  2.5 MBDetails & download
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  Tr8x8(P2) 100 mm four-start lead screw

  Tr8x8(P2) 100 mm four-start lead screw, modeled from published dimensions. Overall 8 x 8 x 100 mm. Key dimensions: major diameter 8 mm; pitch 2 mm; lead 8 mm; starts 4; included thread angle deg 30; external minor diameter 5.5 mm; screw length 100 mm; nut flange diameter 22 mm; nut mount PCD 16 mm; nut mount hole 3.3 mm; mode screw. Original nominal Tr8x8(P2) right-hand geometry: four starts, 2 mm axial pitch and 8 mm advance per revolution. 30-degree trapezoid, simplified square end runouts and sharp roots. Original two-piece brass nut with compression spring and two anti-rotation guide pins. Selected radial/flank clearance is 0.10 mm; the spring is shown in a nominal assembly state, without force or friction simulation. No vendor mounting pattern, thread tolerance class or zero-backlash performance is claimed. 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.

  2.0 MBDetails & download
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  Tr8x8(P2) spring anti-backlash nut

  Tr8x8(P2) spring anti-backlash nut, modeled from published dimensions. Overall 22 x 22 x 25 mm. Key dimensions: major diameter 8 mm; pitch 2 mm; lead 8 mm; starts 4; included thread angle deg 30; external minor diameter 5.5 mm; screw length 100 mm; nut flange diameter 22 mm; nut mount PCD 16 mm; nut mount hole 3.3 mm; mode nut. Original nominal Tr8x8(P2) right-hand geometry: four starts, 2 mm axial pitch and 8 mm advance per revolution. 30-degree trapezoid, simplified square end runouts and sharp roots. Original two-piece brass nut with compression spring and two anti-rotation guide pins. Selected radial/flank clearance is 0.10 mm; the spring is shown in a nominal assembly state, without force or friction simulation. No vendor mounting pattern, thread tolerance class or zero-backlash performance is claimed. 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
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  Tr8x8(P2) lead screw and anti-backlash nut

  Tr8x8(P2) lead screw and anti-backlash nut, modeled from published dimensions. Overall 22 x 22 x 100 mm. Key dimensions: major diameter 8 mm; pitch 2 mm; lead 8 mm; starts 4; included thread angle deg 30; external minor diameter 5.5 mm; screw length 100 mm; nut flange diameter 22 mm; nut mount PCD 16 mm; nut mount hole 3.3 mm; mode assembly. Original nominal Tr8x8(P2) right-hand geometry: four starts, 2 mm axial pitch and 8 mm advance per revolution. 30-degree trapezoid, simplified square end runouts and sharp roots. Original two-piece brass nut with compression spring and two anti-rotation guide pins. Selected radial/flank clearance is 0.10 mm; the spring is shown in a nominal assembly state, without force or friction simulation. No vendor mounting pattern, thread tolerance class or zero-backlash performance is claimed. 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.

  3.4 MBDetails & download
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  MGN15H carriage on 310 mm rail

  MGN15H carriage on 310 mm rail, modeled from published dimensions. Overall 32 x 310 x 16 mm. Key dimensions: reference MGN15H; rail length 310 mm; rail width 15 mm; rail height 10 mm; assembled height 16 mm; carriage width 32 mm; carriage length 58.8 mm; steel body length 43.4 mm; mount tap M3; mount depth 4 mm; rail hole pitch 40 mm; rail end hole offset 15 mm; rail through hole 3.5 mm; rail counterbore 6 mm; rail counterbore depth 4.5 mm. MGN-C/H dimensions follow HIWIN catalog G99TE23-2309, printed page 89. Rail cut length is selected; MGN12 uses symmetric 12.5 mm end offsets at 25 mm pitch. MGN15 uses the published 15 mm end offset. Rail race relief, carriage internal cavity and end-cover shapes are reconstructed. Recirculating balls and grease nipple are omitted. M3 taps are nominal cylindrical envelopes; no running clearance, preload or load performance is simulated. 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.

  485 KBDetails & download
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  MGN15C carriage on 310 mm rail

  MGN15C carriage on 310 mm rail, modeled from published dimensions. Overall 32 x 310 x 16 mm. Key dimensions: reference MGN15C; rail length 310 mm; rail width 15 mm; rail height 10 mm; assembled height 16 mm; carriage width 32 mm; carriage length 42.1 mm; steel body length 26.7 mm; mount tap M3; mount depth 4 mm; rail hole pitch 40 mm; rail end hole offset 15 mm; rail through hole 3.5 mm; rail counterbore 6 mm; rail counterbore depth 4.5 mm. MGN-C/H dimensions follow HIWIN catalog G99TE23-2309, printed page 89. Rail cut length is selected; MGN12 uses symmetric 12.5 mm end offsets at 25 mm pitch. MGN15 uses the published 15 mm end offset. Rail race relief, carriage internal cavity and end-cover shapes are reconstructed. Recirculating balls and grease nipple are omitted. M3 taps are nominal cylindrical envelopes; no running clearance, preload or load performance is simulated. 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.

  485 KBDetails & download
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  MGN12H carriage on 300 mm rail

  MGN12H carriage on 300 mm rail, modeled from published dimensions. Overall 27 x 300 x 13 mm. Key dimensions: reference MGN12H; rail length 300 mm; rail width 12 mm; rail height 8 mm; assembled height 13 mm; carriage width 27 mm; carriage length 45.4 mm; steel body length 32.4 mm; mount tap M3; mount depth 3.5 mm; rail hole pitch 25 mm; rail end hole offset 12.5 mm; rail through hole 3.5 mm; rail counterbore 6 mm; rail counterbore depth 4.5 mm. MGN-C/H dimensions follow HIWIN catalog G99TE23-2309, printed page 89. Rail cut length is selected; MGN12 uses symmetric 12.5 mm end offsets at 25 mm pitch. MGN15 uses the published 15 mm end offset. Rail race relief, carriage internal cavity and end-cover shapes are reconstructed. Recirculating balls and grease nipple are omitted. M3 taps are nominal cylindrical envelopes; no running clearance, preload or load performance is simulated. 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.

  524 KBDetails & download
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  MGN12C carriage on 300 mm rail

  MGN12C carriage on 300 mm rail, modeled from published dimensions. Overall 27 x 300 x 13 mm. Key dimensions: reference MGN12C; rail length 300 mm; rail width 12 mm; rail height 8 mm; assembled height 13 mm; carriage width 27 mm; carriage length 34.7 mm; steel body length 21.7 mm; mount tap M3; mount depth 3.5 mm; rail hole pitch 25 mm; rail end hole offset 12.5 mm; rail through hole 3.5 mm; rail counterbore 6 mm; rail counterbore depth 4.5 mm. MGN-C/H dimensions follow HIWIN catalog G99TE23-2309, printed page 89. Rail cut length is selected; MGN12 uses symmetric 12.5 mm end offsets at 25 mm pitch. MGN15 uses the published 15 mm end offset. Rail race relief, carriage internal cavity and end-cover shapes are reconstructed. Recirculating balls and grease nipple are omitted. M3 taps are nominal cylindrical envelopes; no running clearance, preload or load performance is simulated. 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.

  524 KBDetails & download
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  UCP205 pillow-block bearing

  UCP205 pillow-block bearing, modeled from published dimensions. Overall 140 x 38.8 x 75.4 mm. Key dimensions: bore 25 mm; shaft axis height 36.5 mm; length 140 mm; base width 38 mm; bolt pitch 105 mm; foot height 16 mm; housing height 70 mm; insert outer diameter 52 mm; insert width 34.1 mm; insert short offset 14.3 mm; grease fitting 1/4-28 UNF nominal, thread omitted. Shaft height, bore, mounting slots, base envelope and insert datums follow the Koyo tables. Housing H2 excludes the grease fitting; its reconstructed fitting adds 5.35 mm. Cast contour, ribs, relief, seal/race details and screw heads are reconstructed. Spherical outer ring is shown upright in a simplified cylindrical seat; self-alignment, rolling elements, preload and load rating are not simulated. M6 set screws have cylindrical thread 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.

  371 KBDetails & download
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  UCP204 pillow-block bearing

  UCP204 pillow-block bearing, modeled from published dimensions. Overall 127 x 38 x 70.4 mm. Key dimensions: bore 20 mm; shaft axis height 33.3 mm; length 127 mm; base width 38 mm; bolt pitch 95 mm; foot height 16 mm; housing height 65 mm; insert outer diameter 47 mm; insert width 31 mm; insert short offset 12.7 mm; grease fitting 1/4-28 UNF nominal, thread omitted. Shaft height, bore, mounting slots, base envelope and insert datums follow the Koyo tables. Housing H2 excludes the grease fitting; its reconstructed fitting adds 5.35 mm. Cast contour, ribs, relief, seal/race details and screw heads are reconstructed. Spherical outer ring is shown upright in a simplified cylindrical seat; self-alignment, rolling elements, preload and load rating are not simulated. M6 set screws have cylindrical thread 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.

  376 KBDetails & download
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  UCF205 square-flange bearing

  UCF205 square-flange bearing, modeled from published dimensions. Overall 95 x 95 x 35.8 mm. Key dimensions: bore 25 mm; flange square 95 mm; bolt square 70 mm; bolt hole diameter 12 mm; flange thickness 13 mm; housing projection 27 mm; insert center from mount face 16 mm; total projection 35.8 mm; insert outer diameter 52 mm; insert width 34.1 mm; insert short offset 14.3 mm; grease fitting 1/4-28 UNF nominal, thread omitted. Mounting square, hole diameter, flange thickness, insert center and total projection follow the Koyo UCF table. The mount face is Z=0, and the shaft axis is +Z. Cast outline and boss, grease fitting, seals and race details are reconstructed. Spherical insert occupies a simplified cylindrical seat. Rolling elements, self-alignment, preload and load rating are not simulated. M6 set screws have cylindrical thread 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.

  304 KBDetails & download
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  UCF204 square-flange bearing

  UCF204 square-flange bearing, modeled from published dimensions. Overall 86 x 86 x 33.3 mm. Key dimensions: bore 20 mm; flange square 86 mm; bolt square 64 mm; bolt hole diameter 12 mm; flange thickness 11 mm; housing projection 25.5 mm; insert center from mount face 15 mm; total projection 33.3 mm; insert outer diameter 47 mm; insert width 31 mm; insert short offset 12.7 mm; grease fitting 1/4-28 UNF nominal, thread omitted. Mounting square, hole diameter, flange thickness, insert center and total projection follow the Koyo UCF table. The mount face is Z=0, and the shaft axis is +Z. Cast outline and boss, grease fitting, seals and race details are reconstructed. Spherical insert occupies a simplified cylindrical seat. Rolling elements, self-alignment, preload and load rating are not simulated. M6 set screws have cylindrical thread 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.

  301 KBDetails & download
• stepSC8UURotate in 3D
  SC8UU housed linear bearing

  SC8UU housed linear bearing, modeled from published dimensions. Overall 34 x 30 x 22 mm. Key dimensions: shaft bore 8 mm; width 34 mm; length 30 mm; height 22 mm; shaft axis height 11 mm; mount tap M4; mount tap depth 8 mm; through pilot 3.4 mm. Housing envelope, shaft center and four mounting datums follow the SBC SC table. Mounting taps are nominal cylindrical envelopes with the specified pilot continuing through. Housing relief contours and retainers are reconstructed. The bearing uses representative ball/retainer details and is shown unloaded; no stiffness or load rating is assigned. 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.

  1.2 MBDetails & download
• stepSC10UURotate in 3D
  SC10UU housed linear bearing

  SC10UU housed linear bearing, modeled from published dimensions. Overall 40 x 35 x 26 mm. Key dimensions: shaft bore 10 mm; width 40 mm; length 35 mm; height 26 mm; shaft axis height 13 mm; mount tap M5; mount tap depth 12 mm; through pilot 4.3 mm. Housing envelope, shaft center and four mounting datums follow the SBC SC table. Mounting taps are nominal cylindrical envelopes with the specified pilot continuing through. Housing relief contours and retainers are reconstructed. The bearing uses representative ball/retainer details and is shown unloaded; no stiffness or load rating is assigned. 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.

  1023 KBDetails & download
• stepLM8UURotate in 3D
  LM8UU linear ball bushing

  LM8UU linear ball bushing, modeled from published dimensions. Overall 15 x 15 x 24 mm. Key dimensions: shaft bore 8 mm; outside diameter 15 mm; length 24 mm; groove inner edge spacing 17.5 mm; groove root diameter 14.3 mm; groove width 1.1 mm; ball rows 4. Nominal bore, outer envelope and retaining grooves follow the maker table. Modeled at nominal dimensions without tolerance offsets. Ball diameter/count, retainer and seal details are representative; recirculating return tracks, preload, friction and load ratings are not modeled. 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
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  LM10UU linear ball bushing

  LM10UU linear ball bushing, modeled from published dimensions. Overall 19 x 19 x 29 mm. Key dimensions: shaft bore 10 mm; outside diameter 19 mm; length 29 mm; groove inner edge spacing 22 mm; groove root diameter 18 mm; groove width 1.3 mm; ball rows 4. Nominal bore, outer envelope and retaining grooves follow the maker table. Modeled at nominal dimensions without tolerance offsets. Ball diameter/count, retainer and seal details are representative; recirculating return tracks, preload, friction and load ratings are not modeled. 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.

  894 KBDetails & download
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  TT-style DG01D dual-output gear motor

  TT-style DG01D dual-output gear motor, modeled from published dimensions. Overall 37.6 x 64.2 x 22.5 mm. Key dimensions: body length 64.2 mm; gearbox thickness 18.8 mm; gearbox height 22.5 mm; shaft span 37.6 mm; output axis from nose 11.2 mm; shaft major diameter 5.4 mm; shaft across flats 3.6 mm; shaft bore 1.9 mm; mount hole diameter 3 mm; mount hole pitch 17.5 mm; mount hole from nose 31.8 mm; motor retainer width 22.5 mm. Installation datums follow the DAGU DG01D-A130 manufacturer drawing hosted by SparkFun. This specific TT-style design is not dimensionally interchangeable with every yellow TT gear motor. Undimensioned shell contour, seam, internal motor seat and metal retaining band are reconstructed. Auxiliary nose lug and electrical terminals are omitted; the 64.2 mm length refers to the dimensioned body datum. Internal gears and performance are not modeled. 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.

  295 KBDetails & download
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  N20 9 mm gearbox with rear shaft

  N20 9 mm gearbox with rear shaft, modeled from published dimensions. Overall 12 x 10 x 40.2 mm. Key dimensions: gearbox width 12 mm; gearbox height 10 mm; gearbox length 9 mm; motor can length 15 mm; front face to terminal end 25.6 mm; output shaft diameter 3 mm; output D dimension 2.5 mm; output projection 10 mm; output boss diameter 4 mm; output boss projection 0.7 mm; mount pitch 9 mm; mount thread M1.6; rear shaft diameter 1 mm; rear shaft projection 5 mm. Nominal dimensions follow Pololu precious-metal-brush mechanical drawings (datasheet page 8). The long 12.5 mm gearbox envelope corresponds to the 1000:1 option. The shaft flat spans Z=1 to 10 mm; front mounting holes are nominal M1.6 envelopes. Visible spur gear stacks, tooth counts and axles are representative, not a working reduction train. Case seams, post positions and brush/terminal details are reconstructed. No ratio, torque, speed, tolerance or encoder functionality is simulated. 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.

  1.8 MBDetails & download
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  N20 9 mm gearbox

  N20 9 mm gearbox, modeled from published dimensions. Overall 12 x 10 x 35.6 mm. Key dimensions: gearbox width 12 mm; gearbox height 10 mm; gearbox length 9 mm; motor can length 15 mm; front face to terminal end 25.6 mm; output shaft diameter 3 mm; output D dimension 2.5 mm; output projection 10 mm; output boss diameter 4 mm; output boss projection 0.7 mm; mount pitch 9 mm; mount thread M1.6; rear shaft diameter 0 mm; rear shaft projection 0 mm. Nominal dimensions follow Pololu precious-metal-brush mechanical drawings (datasheet page 8). The long 12.5 mm gearbox envelope corresponds to the 1000:1 option. The shaft flat spans Z=1 to 10 mm; front mounting holes are nominal M1.6 envelopes. Visible spur gear stacks, tooth counts and axles are representative, not a working reduction train. Case seams, post positions and brush/terminal details are reconstructed. No ratio, torque, speed, tolerance or encoder functionality is simulated. 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.

  1.8 MBDetails & download
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  N20 12.5 mm gearbox with rear shaft

  N20 12.5 mm gearbox with rear shaft, modeled from published dimensions. Overall 12 x 10 x 43.7 mm. Key dimensions: gearbox width 12 mm; gearbox height 10 mm; gearbox length 12.5 mm; motor can length 15 mm; front face to terminal end 29.1 mm; output shaft diameter 3 mm; output D dimension 2.5 mm; output projection 10 mm; output boss diameter 4 mm; output boss projection 0.7 mm; mount pitch 9 mm; mount thread M1.6; rear shaft diameter 1 mm; rear shaft projection 5 mm. Nominal dimensions follow Pololu precious-metal-brush mechanical drawings (datasheet page 8). The long 12.5 mm gearbox envelope corresponds to the 1000:1 option. The shaft flat spans Z=1 to 10 mm; front mounting holes are nominal M1.6 envelopes. Visible spur gear stacks, tooth counts and axles are representative, not a working reduction train. Case seams, post positions and brush/terminal details are reconstructed. No ratio, torque, speed, tolerance or encoder functionality is simulated. 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.

  1.8 MBDetails & download

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