Enclosures and housings
Modular Key Fob Housing - Front & Rear Shells
- Bounding box
- 102.0 × 35.0 × 18.0 mm
- Engine
- Precision B-rep
- Parameters
- 35
- Published
- November 2, 2026
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The prompt
A two-part modular electronic key fob housing designed for CNC machining and 3D printing, split longitudinally down the middle into two symmetrical snap-fit halves (Front Shell and Rear Shell) that assemble together. Sleek, organic, alien-like fluid aerodynamic forms with brushed aluminum aesthetic. Dimensions: 90mm length, 35mm width, 18mm thickness. Front shell features a recessed 3D Mercedes-Benz star emblem at the top, followed vertically by two stacked oval buttons (top button with a closed padlock icon for locking, bottom button with an open padlock icon for unlocking). Integrated side ventilation gills with micro-perforated racing styling. Rear shell features a clean ergonomic contour with an integrated keyring loop at the bottom base and a subtle recessed 3D star logo. Clean geometry optimized for seamless assembly.
Parameters
| Name | Value | Range |
|---|---|---|
| Overall Length | 90 mm | 60 – 140 |
| Overall Width | 35 mm | 20 – 60 |
| Overall Thickness | 18 mm | 10 – 30 |
| Wall Thickness | 2.5 mm | 1.2 – 5 |
| Plan Corner Radius | 15 mm | 4 – 17 |
| Outer Face Fillet | 1.2 mm | 0 – 3 |
| Snap-Fit Groove Width | 1.2 mm | 0.6 – 2.5 |
| Snap-Fit Groove Depth | 0.9 mm | 0.4 – 2 |
| Snap-Fit Tongue Width | 1 mm | 0.5 – 2.2 |
| Snap-Fit Tongue Height | 0.85 mm | 0.3 – 1.9 |
| Emblem Centre X | 27 mm | 10 – 36 |
| Front Emblem Recess Dia | 16 mm | 8 – 26 |
| Front Emblem Recess Depth | 1 mm | 0.4 – 2 |
| Star Spoke Radius | 7 mm | 4 – 11 |
| Star Spoke Half Width | 1.1 mm | 0.4 – 2.5 |
| Star Relief Height | 0.6 mm | 0.2 – 1.5 |
| Button Oval Length | 13 mm | 6 – 20 |
| Button Oval Width | 10 mm | 5 – 18 |
| Top (Lock) Button X | 8 mm | 0 – 25 |
| Button Centre Pitch | 16 mm | 10 – 30 |
| Button Recess Depth | 1 mm | 0.3 – 2 |
| Button Boss Height | 0.8 mm | 0.2 – 1.8 |
| Padlock Icon Depth | 0.5 mm | 0.2 – 1 |
| Gills per Side | 4 mm | 2 – 8 |
| Gill Slot Width | 1.6 mm | 0.6 – 4 |
| Gill Slot Height | 2.6 mm | 1 – 5 |
| Gill Pitch | 4.5 mm | 2 – 10 |
| Gill Array Centre X | -22 mm | -35 – -5 |
| Gill Centre Height | 3.4 mm | 1.5 – 5.5 |
| Rear Logo Recess Dia | 14 mm | 8 – 24 |
| Rear Logo Recess Depth | 0.8 mm | 0.3 – 1.8 |
| Rear Star Relief Height | 0.5 mm | 0.2 – 1.2 |
| Keyring Loop Outer Dia | 15 mm | 8 – 26 |
| Keyring Hole Dia | 8 mm | 3 – 16 |
| Keyring Loop Thickness | 6 mm | 2 – 12 |
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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