Any one that have a postprocessor for 4 axes for SolidCam or other CAM

General CNC CNC Routers
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1

Any one that have a postprocessor for 4 axes for SolidCam or other CAM supporting Mach3?

2

Sorry, no luck here mate. I only use 3 axis software.

3

Postprocess the g-code to do that exactly?
My @DeskProto only moves X+Z+A and I’d really like to postprocess the code to use Y to follow the surface normal (as long as that doesn’t mean the tool colliding with the part) to give a perfect surface finish.
No luck yet.