Geometry selection issue with parallel tool path operation

[timothyhinessr]

I'm trying to use a parallel tool path to finish the fillet area of the pictured part and cannot figure out how to do it.  I used a 3-D adaptive strategy to rough out the part leaving .02 stock to remove with a finishing operation with either a bull nose or round end mill.  I've tried other strategies as well as parallel but can't get anything to work.  I've attached pictures of the geometry I'm selecting and the only tool path I can get it to produce.  It seems like it's recognizing the geometry but wants to machine everything outside of it instead of inside of it.  There must be some setting that I don't have right but I've spent over two hours on it and am out of ideas.   Also, I put a patch over the hole that cuts through the feature so Fusion would ignore it. (I think that's right to do) I'll attach the file as soon as I remember how. 

 Geometry SelectionGeometryWonky tool path

[timothyhinessr]

I've attached the file.  

[mathew.hutton]

Hi @timothyhinessr 

I've attached a project containing 2 additional toolpaths to your existing project. I have used 3D contour. the first example is setting the tool containment outside the selected contour. This allows the tool to roll around edges though. The second toolpath, i projected the geometry and extruded a surface from that geometry which is then what i added to the toolpath to prevent the tool rolling around the sides. Let me know if that works for you, if not there are some other strategies/ tricks you can use. 

Thanks

Mat

[timothyhinessr]

Thanks Matthew, the second tool-path is exactly what I was looking for.  It took a while to figure out exactly how you accomplished it but I finally figured it out and was able to duplicate it. I had no idea you could extrude a line to create an offset surface.  That's pretty cool for sure.  Thanks again for the help!   

[mathew.hutton]

Hi @timothyhinessr 

Sorry I should have probably taken some screenshots to help explain. I noticed to had patch surfaces in the project and assumed you would probably have known about the project and surface extrude functionality. Glad you figured out what I done there though. 

Cheers

Mat