@alokjainmp: This PCB is being milled at 60,000 RPM. The crazy part? The cutting depth is tiny. The goal is simply to remove enough copper to isolate the traces without damaging the board. Would you choose mechanical routing or chemical etching for PCB prototyping? Explore more with Moonpreneur. Link in bio. #PCB #Electronics #Engineering #Mechatronics #Moonpreneur