Gears and transmission
Flat Rocker Arm Lever
- Bounding box
- 30.0 × 8.0 × 5.0 mm
- Engine
- Precision B-rep
- Parameters
- 11
- Published
- September 11, 2026
Download
Free to download and use. See the terms.
The prompt
Create a 3D model of a flat rocker arm (lever) for connecting a servo gear to a dome petal. Dimensions: - Total length: 30 mm - Width: 8 mm - Thickness: 5 mm Holes: - Hole 1 (at one end): diameter 2.2 mm, for M2 screw to attach to the gear flange. Center at (0, 0). - Hole 2 (at the other end): diameter 3.2 mm, for a 3 mm pin. Center at (25, 0). Fillets: - 2 mm radius fillet on both end curves. - 0.5 mm chamfer on all edges. Export as STL.
Parameters
| Name | Value | Range |
|---|---|---|
| Total Length | 30 mm | 20 – 45 |
| Width | 8 mm | 4 – 16 |
| Thickness | 5 mm | 2 – 12 |
| Hole 1 X | 0 mm | -5 – 5 |
| Hole 1 Y | 0 mm | -3 – 3 |
| Hole 1 Diameter | 2.2 mm | 0.8 – 4 |
| Hole 2 X | 25 mm | 20 – 35 |
| Hole 2 Y | 0 mm | -3 – 3 |
| Hole 2 Diameter | 3.2 mm | 0.8 – 4.5 |
| End Fillet Radius | 2 mm | 0.2 – 2.5 |
| Edge Chamfer | 0.5 mm | 0.1 – 1.5 |
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.
More models
Browse the full gallery →Spur Gearbox
design gearbox
Spur Gear (12 Teeth)
Built a gear with 12 teeth
Involute Spur Gear with Keyway
Precision Involute Spur Gear with Hub and Keyway: Module (m) of 2.0 mm, 40 teeth (z), Pitch Circle Diameter (d) of 80.00 mm, 20° pressure angle (\alpha), 15.00 mm face width (b), a