Code to plunge Z gradually and then retract along length of a profile path.

[Wal]

Just out of interest why would you want to arc in and out with the Z?

In my case it was for aesthetics - I was looking at engraving into 3-ply acrylic (black/white/black) with a ball-nose cutter, using this technique would have given me a variation in line thickness along the path. Kinda like this:



Wal.