Brackets and mounts
Snap-Fit Enclosure for XIAO ESP32-C6 + RC522
- Bounding box
- 70.0 × 50.0 × 21.9 mm
- Engine
- Precision B-rep
- Parameters
- 33
- Published
- October 24, 2026
Download
Free to download and use. See the terms.
The prompt
Create a Python/Zoo-Modeling-Commands script for a 3D printable electronics enclosure box with a snap-fit lid. Outer Box: A rectangular box with outer dimensions of 70mm length, 50mm width, and 20mm height. Wall and bottom thickness of 2mm. Internal Component 1 (Seeed Studio XIAO ESP32-C6): Centered or positioned in the lower section, accounting for a board size of 21mm x 17.8mm. Add a side wall cutout (9mm wide x 4.5mm high) aligned with the USB-C port position. Include internal retention clips or corner support posts to lock the board in place without screws. Internal Component 2 (RFID-RC522 Reader): Positioned near the top opening of the box, sized for a 39mm x 59.5mm board footprint. Add 4x corner mounting standoffs with 3.2mm holes for M3 screws or friction-fit pins, plus clearance space underneath for the header pins. Tolerances & Fabrication: Add a 0.3mm clearance offset for all internal board pockets to ensure easy assembly. Ensure all geometry is manifold and ready for 3D printing without overhang failures.
Parameters
| Name | Value | Range |
|---|---|---|
| Outer Length (X) | 70 mm | 50 – 120 |
| Outer Width (Y) | 50 mm | 40 – 100 |
| Body Height (Z) | 20 mm | 12 – 60 |
| Wall Thickness | 2 mm | 1.2 – 4 |
| Bottom Thickness | 2 mm | 1.2 – 4 |
| Outer Corner Fillet | 0.8 mm | 0 – 4 |
| Board Pocket Clearance | 0.3 mm | 0.1 – 0.8 |
| XIAO Board Length | 21 mm | 10 – 40 |
| XIAO Board Width | 17.8 mm | 10 – 35 |
| XIAO Board Thickness | 1.6 mm | 0.8 – 3 |
| Board to USB Wall Gap | 2.5 mm | 1 – 6 |
| Corner Post Size | 2.2 mm | 1.2 – 5 |
| Corner Post Height | 2.5 mm | 1.8 – 8 |
| Retention Lip Overhang | 1 mm | 0.4 – 2.5 |
| USB-C Cutout Width | 9 mm | 6 – 16 |
| USB-C Cutout Height | 4.5 mm | 3 – 10 |
| USB-C Cutout Floor Offset | 2.9 mm | 1 – 10 |
| RC522 Board Length | 59.5 mm | 30 – 90 |
| RC522 Board Width | 39 mm | 20 – 70 |
| Mounting Hole Inset | 3 mm | 1.5 – 10 |
| Standoff Diameter | 6 mm | 4 – 12 |
| Standoff Hole Diameter | 3.2 mm | 2 – 6 |
| Standoff Height (Header Clearance) | 9 mm | 3 – 16 |
| Snap Groove Height (from floor) | 16.5 mm | 5 – 40 |
| Snap Groove Height (Z) | 1.2 mm | 0.6 – 3 |
| Snap Groove Depth | 0.6 mm | 0.2 – 1.2 |
| Lid Thickness | 2 mm | 1.2 – 5 |
| Lid Skirt Height | 3.2 mm | 1.5 – 10 |
| Lid Skirt Wall | 1.3 mm | 0.8 – 3 |
| Lid-to-Cavity Clearance | 0.2 mm | 0.05 – 0.6 |
| Snap Bead Protrusion | 0.55 mm | 0.2 – 1.2 |
| Snap Bead Height (from floor) | 16.6 mm | 5 – 40 |
| Snap Bead Height (Z) | 1 mm | 0.4 – 2.5 |
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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