Enclosures and housings
Split Enclosure with Recessed Snap-Fit Lip
- Bounding box
- 70.0 × 52.5 × 22.1 mm
- Engine
- Precision B-rep
- Parameters
- 35
- Published
- October 24, 2026
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The prompt
Modify the box to be split into two separate parts: a bottom base and a top lid. Design a proper enclosure lip: make the top rim of the bottom base step inward slightly (a 1.5mm recess), so the top lid slides down over it snugly and sits flush with the outer walls.
Parameters
| Name | Value | Range |
|---|---|---|
| Outer Length | 70 mm | 40 – 150 |
| Outer Width | 50 mm | 30 – 120 |
| Outer Height | 20 mm | 10 – 60 |
| Wall Thickness | 2 mm | 1 – 4 |
| Bottom Thickness | 2 mm | 1 – 4 |
| Component Clearance Offset | 0.3 mm | 0 – 1 |
| Corner Fillet | 1 mm | 0 – 2 |
| USB-C Cutout Width | 9 mm | 5 – 15 |
| USB-C Cutout Height | 4.5 mm | 3 – 8 |
| USB-C Cutout Z Offset | 5 mm | 0 – 15 |
| Inner Snap Groove Z | 10 mm | 0 – 18 |
| Inner Snap Groove Height | 1.5 mm | 0.5 – 4 |
| Inner Snap Groove Depth | 0.4 mm | 0.1 – 1 |
| RFID-RC522 Board Length | 59.5 mm | 40 – 80 |
| RFID-RC522 Board Width | 39 mm | 25 – 60 |
| RFID Hole Inset from Edge | 3.5 mm | 1 – 6 |
| Standoff Outer Diameter | 6 mm | 4 – 10 |
| Standoff Hole Diameter | 3.2 mm | 2 – 5 |
| Standoff Height | 8 mm | 3 – 15 |
| XIAO Board Length | 21 mm | 10 – 30 |
| XIAO Board Width | 17.8 mm | 10 – 30 |
| XIAO Board Thickness | 2.8 mm | 1 – 5 |
| XIAO Wall Gap | 0.3 mm | 0 – 2 |
| XIAO Corner Post Size | 4 mm | 2 – 8 |
| XIAO Corner Post Height | 5 mm | 2 – 15 |
| XIAO Retention Lip Size | 1 mm | 0.2 – 3 |
| Lid Plate Thickness | 2 mm | 1 – 5 |
| Lid Skirt Height | 4 mm | 2 – 10 |
| Lid Skirt Thickness | 1.2 mm | 0.5 – 3 |
| Lid Skirt Clearance | 0.3 mm | 0 – 1 |
| Snap Bead Depth | 0.2 mm | 0.1 – 1 |
| Snap Bead Z Position | 16.5 mm | 0 – 20 |
| Snap Bead Height | 1.5 mm | 0.5 – 4 |
| Top Rim Lip Recess | 1.5 mm | 0.5 – 2.5 |
| Assembly Clearance Gap | 0.05 mm | 0 – 0.5 |
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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