PCB Milling with Marlin
Link
https://martinvb.com/wp/using-marlins-auto-leveling-for-pcb-milling/
Video
Looks like this mills traces for 0.65 mm pitch components, so this appears to be professional grade: .
https://martinvb.com/wp/using-marlins-auto-leveling-for-pcb-milling/
Looks like this mills traces for 0.65 mm pitch components, so this appears to be professional grade: .