Brackets and mounts
Modular Cylindrical Electronics Enclosure (Exploded)
- Bounding box
- 90.8 × 43.0 × 68.0 mm
- Engine
- Precision B-rep
- Parameters
- 22
- Published
- August 7, 2026
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The prompt
Create a modular 2-piece cylindrical electronics enclosure with an outer diameter of 43mm and a total stacked height of 80mm. The design must consist of two separate interlocking segments (a lower battery compartment and an upper electronics compartment) using a simple friction-fit joint. Wall thickness is 1.5mm. Segment 1: Lower Battery Compartment (Height 68mm) - A vertical, central cylindrical sleeve to securely hold one vertical 18650 battery (18.5mm diameter, 65mm height). - Internal routing channels to pass battery wires up into the second segment. Segment 2: Upper Electronics Compartment (Height 12mm, mounts on top of Segment 1) - Internal mounting slots arranged around the center for: - TP4056 charging board (25mm x 19mm) with a 8mm x 4mm cutout on the outer wall for the USB port. - MT3608 step-up converter (36mm x 17mm, placed vertically or curved to fit the radius). - Digispark ATtiny85 board (25mm x 19mm). - A 3-pin slide switch with a 7mm x 4mm cutout on the outer wall. - The very outside wall of this upper segment must feature 6 evenly spaced vertical slots or flat recessed faces to press-fit 6 pieces of WS2812b LEDs (5mm x 5mm each). - Wire holes connecting the internal components to the outside LED slots.
Parameters
| Name | Value | Range |
|---|---|---|
| Outer Diameter | 43 mm | 20 – 100 |
| Wall Thickness | 1.5 mm | 0.5 – 5 |
| Lower Compartment Height | 68 mm | 50 – 100 |
| Upper Compartment Height | 12 mm | 5 – 30 |
| 18650 Battery Diameter | 18.5 mm | 18 – 19 |
| 18650 Battery Height | 65 mm | 60 – 70 |
| Central Sleeve Wall Thickness | 1 mm | 0.5 – 2 |
| TP4056 Board Length | 25 mm | 20 – 30 |
| TP4056 Board Width | 19 mm | 15 – 25 |
| MT3608 Board Length | 36 mm | 30 – 40 |
| MT3608 Board Width | 17 mm | 15 – 20 |
| Digispark Board Length | 25 mm | 20 – 30 |
| Digispark Board Width | 19 mm | 15 – 25 |
| Slide Switch Cutout Width | 7 mm | 5 – 10 |
| Slide Switch Cutout Height | 4 mm | 3 – 6 |
| USB Cutout Width | 8 mm | 6 – 12 |
| USB Cutout Height | 4 mm | 3 – 6 |
| LED Slot Width | 5 mm | 3 – 10 |
| LED Slot Height | 5 mm | 3 – 10 |
| Number of LED Slots | 6 | 1 – 12 |
| Wire Hole Diameter | 2 mm | 1 – 5 |
| Layout Gap Between Parts | 50 mm | 20 – 100 |
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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