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  1. I am writing a simple hole generator in Processing because I can run it on the Mac and there is very little CAM on the Mac. So I have this generator that will generate G code snippets. However when it comes to the D shaped hole I ave hit a snag. The yellow is the hole I want to draw and the orange is the tool path. The two orange circles represent the limit of the tool path before going horizontal. The question is how do I calculate the position of these holes, given the diameter of the hole can change as can the tool diameter and the depth of the D shape. My maths isn't up to is could someone help please.

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    Last edited by irving2008; 26-07-2010 at 10:54 PM.

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