Gears and transmission
Spur Gear 38T M1.5
- Bounding box
- 60.0 × 59.9 × 6.0 mm
- Engine
- Precision B-rep
- Parameters
- 5
- Published
- November 2, 2026
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The prompt
Create a fully parametric 3D involute spur gear model with the following specifications: - Gear type: Straight spur gear - Number of teeth: 38 teeth - Module: 1.5 mm - Pressure angle: 20 degrees - Outside diameter: 60 mm - Pitch diameter: 57 mm - Root diameter: 53.25 mm - Tooth height: 3.375 mm - Circular pitch: 4.712 mm - Tooth thickness at pitch circle: 2.356 mm - Gear thickness (face width): 6 mm - Profile shift coefficient: 0 (standard gear) - Units: millimeters Requirements: - Generate a standard involute tooth profile according to ISO metric gear standards. - Create the complete 3D solid model. - Center the gear at the origin (0,0,0). - Include all 38 teeth evenly spaced around the gear. - Add construction/reference circles for outside diameter, pitch diameter, and root diameter. - Include complete manufacturing dimensions and annotations.
Parameters
| Name | Value | Range |
|---|---|---|
| Module | 1.5 mm | 0.5 – 10 |
| Number of Teeth | 38 | 10 – 100 |
| Face Width | 6 mm | 2 – 50 |
| Pressure Angle | 20 deg | 14.5 – 25 |
| Bore Diameter | 10 mm | 0 – 50 |
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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