Rotary attachment and spindle turning

I finally got my pc back and was able to experiment with the principles.

In aspire 12 there’s a check box for it, and the work around for it in older versions is a profile tool path projected onto 3d model with your stepover value put in for spiral spacing with the intended tool (tapered ball nose) selected

I uploaded the doc discussed here to my folder with star wars pieces as found in this post: