Enclosures and housings
Rounded Flat Lid
- Bounding box
- 35.0 × 25.0 × 3.0 mm
- Engine
- Precision B-rep
- Parameters
- 10
- Published
- November 11, 2026
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The prompt
Design a flat lid covering a landscape 35mm wide (horizontal) by 25mm long (vertical) footprint, with a thickness of 3mm. Heavily round all four outer corners with a 3mm radius to match the base. In the exact top-center of the lid (along the 35mm edge), cut a 3.2mm diameter hole completely through the plastic (this will slip over a 3mm pivot pin). On the underside of the lid, in the bottom-left and bottom-right corners, add two 3.1mm diameter circular holes, 2mm deep, to hold magnets. Export as a STEP file.
Parameters
| Name | Value | Range |
|---|---|---|
| Width (Horizontal) | 35 mm | 10 – 200 |
| Length (Vertical) | 25 mm | 10 – 200 |
| Thickness | 3 mm | 0.5 – 20 |
| Corner Radius | 3 mm | 0.5 – 10 |
| Pivot Hole Diameter | 3.2 mm | 0.5 – 20 |
| Pivot Hole Inset From Top Edge | 0 mm | 0 – 12 |
| Magnet Hole Diameter | 3.1 mm | 0.5 – 20 |
| Magnet Hole Depth | 2 mm | 0.5 – 10 |
| Magnet Hole Inset From Side Edge | 6 mm | 2 – 15 |
| Magnet Hole Inset From Bottom Edge | 5.5 mm | 2 – 15 |
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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