Brackets and mounts
Adjustable SG90 Servo Crank Arm
- Bounding box
- 46.0 × 29.1 × 6.0 mm
- Engine
- Precision B-rep
- Parameters
- 14
- Published
- September 14, 2026
Download
Free to download and use. See the terms.
The prompt
Create an adjustable servo crank arm for SG90 micro servo. Dimensions: - Total length: 40 mm - Maximum radius: 28 mm - Thickness: 4 mm Features: - Central SG90 mounting hole - Three M3 holes located at: 18 mm radius 23 mm radius 28 mm radius Requirements: - Minimum 5 mm material between adjacent holes - Rounded edges - Reinforced around all holes - Suitable for PLA 3D printing - Single solid part Do not place holes too close together. Keep structural strength around each hole.
Parameters
| Name | Value | Range |
|---|---|---|
| Thickness | 4 mm | 2 – 8 |
| Total Length | 40 mm | 32 – 50 |
| Arm Width | 14 mm | 8 – 30 |
| Hub Diameter | 12 mm | 8 – 20 |
| Central SG90 Hole Diameter | 4.8 mm | 4 – 6 |
| M3 Hole Diameter | 3.2 mm | 2.5 – 4 |
| Hole 1 Radius | 18 mm | 10 – 28 |
| Hole 2 Radius | 23 mm | 10 – 28 |
| Hole 3 Radius | 28 mm | 10 – 34 |
| Hole 1 Angle | 0 deg | -45 – 45 |
| Hole 2 Angle | -20 deg | -45 – 45 |
| Hole 3 Angle | 15 deg | -45 – 45 |
| Reinforcement Boss Diameter | 14 mm | 8 – 20 |
| Edge Fillet Radius | 1 mm | 0 – 2 |
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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