Gears and transmission
L-Shaped PMDC Gear Motor Assembly
- Bounding box
- 57.3 × 64.4 × 64.5 mm
- Engine
- Precision B-rep
- Parameters
- 21
- Published
- October 4, 2026
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The prompt
Create a precise parametric 3D CAD model of the Waveshare L-shaped Permanent Magnet DC Gear Motor shown in the reference image. Units: mm. Use the image for proportions and geometry. GEARBOX: - Rounded rectangular front housing: 38.0 × 64.4 mm - Corner radius: R12.5 - Front plate thickness: 3.0 mm - Gearbox side dimension: 23.5 ±0.5 mm MOUNTING HOLES: - 4 × M3 × 0.5 holes - Horizontal center spacing: 26.5 ±0.3 mm - Vertical center spacing: 50.0 ±0.3 mm - Symmetrical rectangular pattern OUTPUT SHAFT: - Diameter: 6.0 mm - Protrusion: 12.0 mm - End has the flattened/D-shaped profile shown in the image, approximately 5.4 mm across flats - Include the circular bearing/boss around the shaft MOTOR: - Cylindrical DC motor attached to the rear/side of gearbox - Diameter: 33.0 mm - Body length: 22.5 mm - Motor axis perpendicular to output shaft axis - Include the simple rear electrical connector, approximately 8 mm deep MODEL REQUIREMENTS: - Reproduce the actual L-shaped/right-angle motor-gearbox arrangement shown in the reference. - Keep the four mounting holes, shaft and motor positions dimensionally accurate. - Use clean solid CAD geometry. - Make the main dimensions parametric/editable. - Do not add unnecessary wires, logos, electronics or decorative details. - Do not confuse the 5.4 mm shaft-end flat dimension with the 6.0 mm shaft diameter.
Parameters
| Name | Value | Range |
|---|---|---|
| Front Width (X) | 38 mm | 20 – 80 |
| Front Height (Y) | 64.4 mm | 25 – 120 |
| Gearbox Side Depth | 23.5 mm | 8 – 60 |
| Corner Radius | 12.5 mm | 0.5 – 18 |
| Front Plate Thickness | 3 mm | 1 – 10 |
| Body Step Inset | 1 mm | 0 – 5 |
| Mounting Hole Dia (M3) | 3 mm | 2 – 5 |
| Hole Spacing X | 26.5 mm | 10 – 34 |
| Hole Spacing Y | 50 mm | 10 – 60 |
| Output Shaft Dia | 6 mm | 2 – 20 |
| Shaft Protrusion | 12 mm | 3 – 40 |
| Flat Across Shaft End | 5.4 mm | 1 – 19 |
| Flattened Length | 8 mm | 1 – 35 |
| Shaft Boss Dia | 13 mm | 6 – 30 |
| Shaft Boss Height | 3 mm | 0.5 – 10 |
| Motor Body Dia | 33 mm | 10 – 60 |
| Motor Body Length | 22.5 mm | 5 – 70 |
| Motor Axis Offset (X) | 19 mm | 0 – 40 |
| Motor Embed in Housing | 4 mm | 1 – 10 |
| Rear Connector Dia | 12 mm | 3 – 30 |
| Rear Connector Depth | 8 mm | 1 – 25 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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