I am milling PCBs. I am using Flatcam to produce the gcode and autoleveller to "level" the code. Over all it does a great job. But I am noticing what looks like "threads" of copper in between the traces. Typically the "threads" hug the traces. I can remove them easy enough with a scribe but the process can be tedious.
I am using a 30deg etching bit .1mm. I set flatcam so it overlaps 22% and I am cutting 3 bit widths.
Any one else milling and have seen this problem?