Case for a custom keyboard built from the ground up using a Raspberry Pi RP2040 based Pro Micro board and custom PCB linked below. Designed to be ultra lightweight and low profile coming in at only 17.5mm tall and ~200g in weight but retaining the full functionality of a full TKL keyboard.

PCB and components - https://www.pcbway.com/project/shareproject/Plank56RP_PCB_6ae0ba01.html