Radxa Dragon Q6A Rugged Enclosure

A compact, mountable two-piece case for the Radxa Dragon Q6A single-board computer. Originally designed as the housing for the TrailCurrent Peregrine — an on-device voice assistant that runs wake-word detection, Whisper speech-to-text, a Llama 3.2 LLM on the Q6A's Hexagon NPU, and Piper TTS entirely offline — but it's a great fit for any Radxa Q6A project that needs a finished, durable enclosure.

Features

• Port cutouts for 2× USB-A, 1× USB 3.0, and Gigabit Ethernet
• Locking circular power-connector cutout on the front face — sized for a sealed multi-pin connector so your power lead won't shake loose in mobile installs
• Integrated mounting ears with through-holes for bolting to a panel, wall, or equipment rack
• Embossed logo on the lid
• Clean two-piece assembly with corner screws — no glue required

Great for battery-powered Radxa builds

The Q6A expects a regulated input, but a lot of Radxa owners want to power the board directly from a vehicle, trailer, solar, or battery bus where only raw pack voltage is available. The internal volume of this case is sized to fit a small DC-DC buck converter alongside the board, so you can step 12 V / 24 V / 48 V down to the board's input without bolting an external regulator onto the outside of your enclosure. Drop the converter in, route your battery lead to the locking connector on the front, and you have a single sealed unit ready to mount.

If you're running a Q6A on anything that moves — rover, van, trailer, boat, off-grid node — this is designed for you.

Recommended print settings

• Layer height: 0.2 mm
• Walls: 3
• Infill: 15–20% gyroid
• Supports: light supports on lid overhangs; base prints support-free
• Material: PETG or ASA for mobile / outdoor use; PLA is fine indoors

Assembly

M3 screws clamp the lid to the base at the four corners. The Q6A mounts to the internal standoffs with standard M2.5 hardware. Route your buck converter's output to the Q6A's power input and tuck the converter into the empty space above the board.

License & attribution

Released under the MIT License as part of the open-source TrailCurrent project. You're free to use, modify, and remix it — commercial use included — with attribution preserved.

Prints, remixes, and photos of your own builds are very welcome. If you adapt it for a different SBC or a different power-input style, share it back so the next person gets an easier start.