Hi my first post here. I am a student learning Mastercam ... I have 2 questions. 1. Does Mastercam look at spindle direction in front or back of spindle. I want to do a cutoff operaiton but in Mastercam the tool I choose looks like the insert is on the back bottom edge of the holder... should it not be front edge of the holder ? 2. How does Mastercam calculate the advance tailstock position automatically. what Math is involved so mastercam is able to calculate. Can we do the math manually, and if yes how ? Hope someone can help me