Mechanical parts
Quadcopter Arm 185mm
- Bounding box
- 185 × 30 × 5 mm
- Engine
- 3D Printing B-rep
- Parameters
- 15
- Published
- November 12, 2026
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The prompt
"Create a flat quadcopter drone arm 185mm long along the X-axis and 5mm thick in Z. On the left end (X=0), make a rounded rectangular root tab 25mm long and 24mm wide with two 3.2mm through-holes along the centerline at X=8mm and X=23mm. Connect it with an 18mm wide beam to a 30mm diameter circular motor pad centered at X=170mm. Add 6mm corner fillets where the beam meets the root tab. In the circular motor pad at X=170mm, cut an 8mm center shaft hole, two 3.2mm holes along the X-axis spaced 16mm apart (at X=162mm and X=178mm), and two 3.2mm holes along the Y-axis spaced 19mm apart (at Y=-9.5mm and Y=+9.5mm)."
Parameters
| Name | Value | Range |
|---|---|---|
| Overall arm length along X | 185 mm | 80 – 400 |
| Arm thickness in Z | 5 mm | 1.5 – 12 |
| Root tab length | 25 mm | 8 – 80 |
| Root tab width | 24 mm | 8 – 80 |
| Root tab free-end corner radius | 6 mm | 1 – 12 |
| Beam width | 18 mm | 6 – 60 |
| Root-to-beam fillet radius | 6 mm | 1 – 15 |
| Motor pad diameter | 30 mm | 12 – 70 |
| Root mounting hole diameter | 3.2 mm | 1.2 – 8 |
| Root hole 1 X position | 8 mm | 2 – 24 |
| Root hole 2 X position | 23 mm | 2 – 24 |
| Motor shaft hole diameter | 8 mm | 2 – 20 |
| Motor screw hole diameter | 3.2 mm | 1.2 – 8 |
| Motor hole spacing along X | 16 mm | 4 – 40 |
| Motor hole spacing along Y | 19 mm | 4 – 40 |
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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