Mechanical parts
Thumb Screw Assembly
- Bounding box
- 22.0 × 22.0 × 18.0 mm
- Engine
- Precision B-rep
- Parameters
- 12
- Published
- August 20, 2026
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The prompt
Create a production-ready ergonomic thumb screw for a modular plastic divider system. The thumb screw will lock divider walls inside the connector. Requirements: • M6 threaded shaft • Thread length: 18 mm • Overall length: 30 mm • Shaft shoulder to prevent over-tightening • Head diameter: 22 mm • Head height: 12 mm Grip: • Diamond knurled texture • Comfortable for hand tightening • Rounded outer edge • Slight dome on the top surface • Premium consumer product appearance Engineering: • Reinforced transition between shaft and head • 1 mm fillets • Suitable for repeated tightening • Injection molded plastic knob with metal threaded insert or fully plastic prototype version Generate: • Isometric view • Front view • Side view • Section view • Dimensioned drawing Optimize for strength, ergonomics, and repeated use.
Parameters
| Name | Value | Range |
|---|---|---|
| Head Diameter | 22 mm | 10 – 50 |
| Head Height | 12 mm | 5 – 30 |
| Dome Height | 2 mm | 0.5 – 5 |
| Fillet Radius | 1 mm | 0.2 – 3 |
| Knurl Pitch | 1.5 mm | 0.5 – 3 |
| Knurl Depth | 0.3 mm | 0.1 – 1 |
| Thread Diameter | 6 mm | 3 – 12 |
| Thread Length | 18 mm | 5 – 50 |
| Shoulder Diameter | 8 mm | 6 – 15 |
| Shoulder Height | 2 mm | 0.5 – 5 |
| Thread Pitch | 1 mm | 0.5 – 2 |
| Thread Depth | 0.5 mm | 0.2 – 1 |
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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