I import a .dxf file of a part that looks like the closed outline of a Pi symbol. I'm using a 1/8" cutter to go around the part to cut it out. If I choose a profile operation, it correctly profiles around the outside perimeter. I wanted to try to create a channel around the part so I could try trochoidel milling. I performed a 3/16" outside offset of the perimeter. I selected roughing, digitized the outline of the part, and then the new offset perimeter for the containment region. However the tool path is now inside the outline of the part. I can't for the life of me figure out how to define which side of the outline to rough on? Any hints?
Thanks.