Make a Custom PCB with Fritzing | DIY Pico Mechanical Keyboard with Fritzing and CircuitPython | Adafruit Learning System
The Circuit Board - 68Keys.io
Amazon.com: EPOMAKER EK68 65% Bluetooth Gaming Keyboard DIY Kit, Hot Swappable Gasket Mount PCB Mounting Plate Mechanical Keyboard with South-Facing LEDs, Triple Mode, VIA Programmable for Win/Mac (Pink) : Electronics
DIY through-hole with split PCB : r/MechanicalKeyboards