Free Electronics 3D Models

190 3D parts in Electronics & PCB · Clear all

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  830-point solderless breadboard

  830-point solderless breadboard, modeled from published dimensions. Overall 165.1 x 54.6 x 8.5 mm. Key dimensions: hole pitch 2.5 mm; terminal points 630; power points 200; socket 1.1 mm. 830-point arrangement and nominal 165.1 x 54.6 x 8.5 mm body follow BusBoard BB830 reference. Original housing and square socket reconstruction, 2.54 mm grid. Tabs, printed numbering, hidden contact bars and contact springs are omitted. No electrical rating is transferred to this model. 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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  ESP8266 D1 mini V3 layout

  ESP8266 D1 mini V3 layout, modeled from published dimensions. Overall 25.6 x 35.2 x 13.4 mm. Key dimensions: header pitch 2.5 mm; header first y 6.9 mm; pins 16. Original reconstructed layout. ESP32 board envelope and header grid follow Espressif drawing; RF module is 18 x 25.5 x 3.1 mm. Antenna keepout is not exported as a physical part. Connector and small component detail is representative. D1 mini board envelope follows WEMOS 34.2 x 25.6 mm specification. Its 22.86 mm header-row spacing, centered 2.54 mm grid and component heights are explicit nominal library choices, not dimensioned in that source. No electrical/RF simulation or guaranteed connector fit. 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.

  977 KBDetails & download
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  ESP32 DevKitC V4 layout

  ESP32 DevKitC V4 layout, modeled from published dimensions. Overall 27.9 x 49.5 x 13.7 mm. Key dimensions: header pitch 2.5 mm; header first y 1.3 mm; pins 38. Original reconstructed layout. ESP32 board envelope and header grid follow Espressif drawing; RF module is 18 x 25.5 x 3.1 mm. Antenna keepout is not exported as a physical part. Connector and small component detail is representative. D1 mini board envelope follows WEMOS 34.2 x 25.6 mm specification. Its 22.86 mm header-row spacing, centered 2.54 mm grid and component heights are explicit nominal library choices, not dimensioned in that source. No electrical/RF simulation or guaranteed connector fit. 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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  Raspberry Pi 5 Model B layout

  Raspberry Pi 5 Model B layout, modeled from published dimensions. Overall 89.5 x 57.3 x 20.6 mm. Key dimensions: corner radius 3 mm; gpio pitch 2.5 mm; gpio row spacing 2.5 mm. PCB outline, four mounting holes, GPIO grid and dimensioned port centerlines follow the official mechanical drawing. Geometry is an original reconstruction; connector depths, small component footprints, SD housing, shell gauges and PCB thickness are nominal where undimensioned. No copper routing or electrical behavior is supplied. The Pi 5 reference explicitly describes approximate dimensions for reference, not production. Check a physical board for final enclosure clearances; modeled connector internal details are visual representations. 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
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  Raspberry Pi 4 Model B layout

  Raspberry Pi 4 Model B layout, modeled from published dimensions. Overall 88 x 58.5 x 20.6 mm. Key dimensions: corner radius 3 mm; gpio pitch 2.5 mm; gpio row spacing 2.5 mm. PCB outline, four mounting holes, GPIO grid and dimensioned port centerlines follow the official mechanical drawing. Geometry is an original reconstruction; connector depths, small component footprints, SD housing, shell gauges and PCB thickness are nominal where undimensioned. No copper routing or electrical behavior is supplied. The Pi 5 reference explicitly describes approximate dimensions for reference, not production. Check a physical board for final enclosure clearances; modeled connector internal details are visual representations. 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.

  3.5 MBDetails & 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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  HS-311 standard servo with original horn

  HS-311 standard servo with original horn, modeled from published dimensions. Overall 58.5 x 20 x 42.8 mm. Key dimensions: case length 40 mm; case width 20 mm; case height 36.5 mm; tab span 53 mm; tab width 20 mm; tab under height 26.5 mm; tab thickness 2.5 mm; mount slot diameter 4.5 mm; output axis x 10 mm; output teeth 24; output major diameter 6 mm; output tip height 41.6 mm; horn true. Body, tab height and mounting pitch follow the manufacturer drawing. Case contours and spline tooth form are reconstructed. Flexible leads, electrical internals and motion are omitted. Taps are nominal cylindrical envelopes. Original single-arm horn has 1.7 mm linkage holes at 3 mm pitch; it is not a vendor horn drawing. HS-311 uses the 2025 MULTIPLEX/Hitec drawing: 53 mm tab span, 47.8 x 10.2 mm slot pattern and 41.6 mm height to the output tip. The nominal 24-tooth output is 6 mm diameter; tooth profile is illustrative. 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.

  805 KBDetails & download
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  HS-311 standard servo

  HS-311 standard servo, modeled from published dimensions. Overall 53 x 20 x 41.6 mm. Key dimensions: case length 40 mm; case width 20 mm; case height 36.5 mm; tab span 53 mm; tab width 20 mm; tab under height 26.5 mm; tab thickness 2.5 mm; mount slot diameter 4.5 mm; output axis x 10 mm; output teeth 24; output major diameter 6 mm; output tip height 41.6 mm; horn false. Body, tab height and mounting pitch follow the manufacturer drawing. Case contours and spline tooth form are reconstructed. Flexible leads, electrical internals and motion are omitted. Taps are nominal cylindrical envelopes. Bare output shaft; no horn fitted. HS-311 uses the 2025 MULTIPLEX/Hitec drawing: 53 mm tab span, 47.8 x 10.2 mm slot pattern and 41.6 mm height to the output tip. The nominal 24-tooth output is 6 mm diameter; tooth profile is illustrative. 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.

  716 KBDetails & download
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  FS90-C 9 g micro servo with original horn

  FS90-C 9 g micro servo with original horn, modeled from published dimensions. Overall 36.7 x 12.5 x 31.4 mm. Key dimensions: case length 23.2 mm; case width 12.5 mm; case height 23 mm; tab span 32.6 mm; tab width 11.8 mm; tab under height 16.4 mm; tab thickness 2.4 mm; mount slot diameter 4 mm; output axis x 5.4 mm; output teeth 20; output major diameter 4.8 mm; output tip height 30.5 mm; horn true. Body, tab height and mounting pitch follow the manufacturer drawing. Case contours and spline tooth form are reconstructed. Flexible leads, electrical internals and motion are omitted. Taps are nominal cylindrical envelopes. Original single-arm horn has 1.7 mm linkage holes at 3 mm pitch; it is not a vendor horn drawing. FS90 output center X=5.35 mm is inferred from the case geometry; tab slot diameter 4 mm and spline extension 3.2 mm are selected from the undimensioned drawing. Verify those interfaces against the physical servo before drilling or making a mating spline. 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.

  717 KBDetails & download
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  FS90-C 9 g micro servo

  FS90-C 9 g micro servo, modeled from published dimensions. Overall 32.6 x 12.5 x 30.5 mm. Key dimensions: case length 23.2 mm; case width 12.5 mm; case height 23 mm; tab span 32.6 mm; tab width 11.8 mm; tab under height 16.4 mm; tab thickness 2.4 mm; mount slot diameter 4 mm; output axis x 5.4 mm; output teeth 20; output major diameter 4.8 mm; output tip height 30.5 mm; horn false. Body, tab height and mounting pitch follow the manufacturer drawing. Case contours and spline tooth form are reconstructed. Flexible leads, electrical internals and motion are omitted. Taps are nominal cylindrical envelopes. Bare output shaft; no horn fitted. FS90 output center X=5.35 mm is inferred from the case geometry; tab slot diameter 4 mm and spline extension 3.2 mm are selected from the undimensioned drawing. Verify those interfaces against the physical servo before drilling or making a mating spline. 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.

  638 KBDetails & download
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  Screw-mounted under-desk hook

  Screw-mounted under-desk hook, modeled from published dimensions. Overall 60 x 44 x 63 mm. Key dimensions: plate 60 x 44 x 7; mount hole diameter 4.5 mm; mount hole spacing 32 mm; hook clear width 36 mm; hook depth 24 mm. Original geometry modeled from scratch in tools/cad_print_designs.py. Closed solid meshes checked digitally. Physical printing, strength and printer-specific tolerances have not been tested. Mounting screws are not included. Countersunk holes sit to either side of the hook, with a clear vertical path for a screwdriver. No load rating has been established. Print on a side face for a broad contact area. Watertight STL mesh in millimeters, ready to slice; printed performance is untested. Export to 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.

  116 KBDetails & download
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  Arched headphone stand

  Arched headphone stand, modeled from published dimensions. Overall 144 x 110 x 200 mm. Key dimensions: base 144 x 110; height 200 mm; saddle width 90 mm; saddle depth 32 mm. Original geometry modeled from scratch in tools/cad_print_designs.py. Closed solid meshes checked digitally. Physical printing, strength and printer-specific tolerances have not been tested. Broad curved saddle supports a headband. Print upright with support beneath the saddle wings, or choose your own split/orientation in the editable CAD. Watertight STL mesh in millimeters, ready to slice; printed performance is untested. Export to 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.

  1.0 MBDetails & download
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  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.

  310 KBDetails & download
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  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.

  267 KBDetails & download
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  Cook Range - Large Appliance

  Four-burner range with oven window, cast supports, controls and drop-door handle. Finish: Ivory enamel / steel / glass. Overall size 60.9 x 70.3 x 93.1 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 21k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  554 KBDetails & download
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  Induct Four - Cooking Appliance

  Thin induction hob with four inset cooking-zone rings and touch-control marks. Finish: Black glass / brushed steel. Overall size 60 x 51.4 x 4.7 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 9k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  248 KBDetails & download
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  Rinse Front - Large Appliance

  Freestanding dishwasher with recessed kick panel, fascia, handle and door seam. Finish: Brushed steel / graphite. Overall size 59.9 x 65.3 x 83.7 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 5k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  195 KBDetails & download
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  Cold Column - Large Appliance

  Two-door refrigerator with recessed gasket joints, hinges and offset vertical pulls. Finish: Sage enamel / steel. Overall size 61.5 x 70.8 x 182 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 6k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  220 KBDetails & download
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  Bake Mini - Small Appliance

  Countertop oven with glazed drop door, two knobs, interior rack and rear vents. Finish: Stainless steel / dark glass. Overall size 41.2 x 34.6 x 28.7 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 8k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  261 KBDetails & download
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  Wave Compact - Large Appliance

  Countertop microwave with inset window, control strip, vent grille and door handle. Finish: Graphite / steel / dark glass. Overall size 48.2 x 40 x 29.2 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 9k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  298 KBDetails & download
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  Slow Oval - Small Appliance

  Oval electric slow cooker with visible ceramic insert rim and fitted glass lid. Finish: Ivory enamel / tinted glass. Overall size 41.2 x 24.6 x 24.1 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 5k triangles. No ground plane or room geometry. Original Innerscene model, released CC0.

  218 KBDetails & download

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