Enclosure for Tropic Square TROPIC01 USB-C stick:
https://github.com/tropicsquare/tropic01
From the website: "TROPIC01 is a revolutionary secure element designed to deliver tamper-proof next-gen protection with an open architecture. It sets unprecedented standards for transparency, collaboration, and trust in hardware security.
Built on RISC-V architecture, TROPIC01 offers advanced protection for hardware crypto wallets, IoT devices, decentralized infrastructure and more." https://tropicsquare.com
Variants:
The author marked this model as their own original creation.