When I followed Pierce and assembled this keyboard, I found the plates didn't contain a receiver plate, so I created a box for myself if you like me do not like exposing PCBs, you can print this box.
the files contain the step file and STL file, you can modify them by yourself.
Printer Brand:
VoronDesign
Printer:
Voron 0
Rafts:
Doesn't Matter
Supports:
Yes
Resolution:
0.4
Infill:
20%