Capacitor-Discharge Drilling Machine and Dielectric Tester
This high-voltage plasma device “drills” clean, round, and precise micron-sized holes.
Nonlethal high voltage can produce a very painful electric shock. Eye protection must be worn because small pieces of material can be projected. Eye protection should be worn when making, testing, and operating this device.
Requires intermediate skills in wiring and soldering the PBKM charger, along with certain basic sheet-metal work to form and fabricate sheet-metal pieces and so on. You may be able to obtain these, with close enough dimensions, from electronics ...