Some more PCB making experiments with pcb-gcode for isolation routing:

These boards are made using very small engraving bits (like these), and the holes with tiny drill bits in our special drill-bit holder tool (bits like these).

My latest optimization entails parameters for the pcb-gcode script that allow me to route/isolate in only one pass.  Here are some screen shots of those parameters:

PCB Routing Experiments

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