2 layers26 × 62.2 mm

Fencing training buzzer
julianschuler/Fencing-training-buzzer
Small buzzer circuits attachable to foil and epee for hit feedback during training
15 parts1MIT
KiCad boards from 2 GitHub repositories tagged “foil”, the most starred first; open any of them in PCBKit.

julianschuler/Fencing-training-buzzer
Small buzzer circuits attachable to foil and epee for hit feedback during training

Fersaar/electrostatic_gripper
Project to develop a new gripper for handling thin metal foils without pneumatic