Mechanical parts
Robotic Finger Phalanx Link
- Bounding box
- 40.0 × 15.0 × 13.0 mm
- Engine
- Precision B-rep
- Parameters
- 15
- Published
- October 8, 2026
Download
Free to download and use. See the terms.
The prompt
Create a 3D-printable finger phalanx for a robotic hand. Main body is a rectangular block 40 mm long, 15 mm wide, 13 mm thick with all outer edges filleted 1.5 mm. At one end (the knuckle end), cut a slot 6.5 mm wide and 10 mm deep across the full thickness, leaving two side ears each 4 mm wide. Drill a hinge hole of 2.3 mm diameter through both ears, perpendicular to the length, centered 5 mm from the end face and centered in thickness. At the opposite end, shape a tongue 6 mm wide and 10 mm long, centered in width, with a rounded tip and a 2.3 mm hinge hole through it at 5 mm from the tip. Along the bottom (flexion) face, cut a groove 1.5 mm diameter running the full length, centered in width, for a tendon line. Add a 3 mm wide, 3 mm deep pocket on the top face near the middle for a return spring or rubber band.
Parameters
| Name | Value | Range |
|---|---|---|
| Body Length | 40 mm | 20 – 80 |
| Body Width | 15 mm | 10 – 30 |
| Body Thickness | 13 mm | 8 – 25 |
| Outer Edge Fillet | 1.5 mm | 0.4 – 2.5 |
| Knuckle Slot Width | 6.5 mm | 2 – 9 |
| Knuckle Slot Depth | 10 mm | 2 – 20 |
| Hinge Hole Diameter | 2.3 mm | 1 – 5 |
| Pin Hole From End | 5 mm | 1.5 – 15 |
| Tongue Width | 6 mm | 2 – 9 |
| Tongue Length | 10 mm | 3 – 20 |
| Tendon Groove Diameter | 1.5 mm | 0.5 – 4 |
| Spring Pocket Length | 10 mm | 2 – 25 |
| Spring Pocket Width | 3 mm | 1 – 8 |
| Spring Pocket Depth | 3 mm | 0.5 – 6 |
| Spring Pocket Position | 20 mm | 5 – 35 |
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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