Hi Mike.
You're right, only 1 undo, if you're lucky. (That's not always guarenteed to work)
This issue has been brought up before, and has been addressed for the next release.
I was frustrated about this when I started using it also, but I don't even notice it any more.
Creating geometry, toolpaths etc is fairly easy and quick, so the undo really isn't an issue.
'Rekd
Matt
San Diego, Ca
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(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)