Enclosures and housings
Watch Middle Case with Four Lugs
- Bounding box
- 40.0 × 48.1 × 11.5 mm
- Engine
- Precision B-rep
- Parameters
- 10
- Published
- September 26, 2026
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The prompt
Create one solid watch middle case in mm. Top view: a round Ø40 body centered at (0,0), with a Ø33 through-opening. Height 11.5. Add exactly four separate lug projections outside the ring: one at upper left, one at upper right, one at lower left, one at lower right. The upper pair extends toward 12 o’clock; the lower pair extends toward 6 o’clock. Each pair has a 20 mm clear gap for the strap. Overall vertical length 48 mm. Taper and curve each lug smoothly from the case to its tip. Mirror the shape across both centerlines. No material inside the Ø33 opening. No side lugs, holes or threads.
Parameters
| Name | Value | Range |
|---|---|---|
| Case Outside Diameter | 40 mm | 20 – 80 |
| Case Height | 11.5 mm | 3 – 30 |
| Through-Opening Diameter | 33 mm | 5 – 70 |
| Overall Vertical Length | 48 mm | 24 – 120 |
| Strap Clear Gap (per pair) | 20 mm | 4 – 40 |
| Lug Width | 6 mm | 2 – 20 |
| Lug Tip Thickness | 3.5 mm | 1 – 15 |
| Lug Root Distance From Case Axis | 14 mm | 6 – 30 |
| Lug Root Height | 9 mm | 2 – 30 |
| Lug Group Rotation | 90 deg | 0 – 360 |
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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