I’m trying to run an outline path on this geometry using a ball mill. KM seems to treat the ball mill the same as a square end mill. The tool path distance after the first step down should be much closer to the part.
have you animated this and turned on transparency to verify? and re-checked your tool definition? always happy to look at a workspace export.
Here is a simplified part. The animation confirms the issue. There is too much material on the part.
I had to use KM 4.2.2 to export, 4.3.0 would export a file that was only 15 bytes in size.
The issue with the ball mill is present in both versions.
ballmill-2.kmz (371.1 KB)
thanks. I just fixed the 4.3 export issue but haven’t pushed to production yet. did you check 4.1? (edit) I just confirmed also a bug in 4.1
this turns out to be a long standing bug with rounded tools that I forgot about. it’s not a quick fix nor is computationally easy, unfortunately. I will investigate, though, in light of the recent code refactors to see if there is a better path forward.
No worries. Thanks for confirming I wasn’t doing anything stupid 
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