Made another part for my plasma cutter, only took 2 days
4 hours cutting, 12 hours searching though the software looking for a non-existant bug.
Dig ins after the tool change, it went from hole to hole fine, did the roughing out cuts fine, then lost position as soon as I changed tool
Now fixed and waiting for the Araldite to set on the little bits of rod I've put in the nicks
The problem was it took the second tool out at top speed slightly past the cut start and then doubled back on itself to reach finishing depth.
Nowhere else did it do an abrupt about turn, only 0.2mm and not really enough to see what was going wrong, but I was losing steps.
Tomorrow the top of the axle box and THC motor mounting,
(unless it has more surprises for me)