Hardware components | ||||||
 |
| × | 1 | |||
Hand tools and fabrication machines | ||||||
 |
| |||||
Motivation
Seeed Studio was conducting a competition to design cases for their Meshtastic devices. When I researched existing designs, most of them looked like simple box-shaped enclosures, and I didn’t see anything truly different. Since a Meshtastic device feels like tactical gear—and is often used by a community of adventurous, “cool nerds”—I wanted to create something that stands out: a case that is both aesthetic and practical, with a rugged tactical look and outdoor usability.
DESIGNInitial 2D Sketch
As a first step, I drew a pencil sketch to get a basic idea of the design. Initially, I planned to make a plastic body with TPU side protection. However, due to the complexity of combining two different materials, I decided to go with a single-material approach.
In the early sketches, the design looked more like a standard box, but after several iterations, I shifted toward a more aesthetic and practical form. Since I was working with the E-ink version of the device, there was extra space inside for batteries, which gave me flexibility in refining the design beyond a simple box shape.
Final Design Concept
The final design strikes a balance between industrial ruggedness and minimal simplicity. The body is split into two halves that are fastened together using screws. Functional slots are provided for the USB-C port, switches, and other external connectors.
I followed a minimalist design language to keep it appealing to a wide range of users, while adding tactical elements to make it both aesthetic and practical.
The internal layout is straightforward and mainly determined by the display, which is the widest component. Key considerations included:
Main Board: Placed slightly offset to align with the switches and USB port located on the side.
Antenna: Positioned at the top, slightly offset to the left, to leave room for the hook on the right. The GPS module faces upward for optimal coverage.
Mounting System: The bottom case includes a slot for sliding the board into position. I used self-threading screws with support parts to securely hold the board, GPS, and antenna.
Display Mounting: The E-ink display slots into the top half of the case, ensuring proper alignment and protection.
Since the board includes a built-in buzzer at the bottom right, I added a dedicated opening for sound output. Additional ventilation holes are provided at the bottom for ports and acoustic performance.
On the top right corner, I added a replaceable hook mount. It can be manufactured from either plastic or metal, though I prefer a metal version since it adds durability and a premium, tactical aesthetic. This modular approach allows the hook to be replaced if it breaks.
All the buttons and switches are designed to be 3D-printed using fluorescent filament, making them easy to locate and operate in low-light or nighttime conditions.
Bottom Part: Houses the main board, GPS, and antenna, held in place with supports.
Top Part: Secures the E-ink display and aligns it firmly with the frame.
Buttons & Joystick: Fully 3D-printed and fitted onto the device.
To increase usability, I also designed a 3D-printed holder that allows the device to be attached to a bag, tactical gear, or even strapped to the shoulder. This ensures the tracker is always accessible and easy to carry in outdoor conditions.
To increase usability, I also designed a 3D-printed holder that allows the device to be attached to a bag, tactical gear, or even strapped to the shoulder. This ensures the tracker is always accessible and easy to carry in outdoor conditions.
Comments