[HuFlungDung]

Just go to the top of the page "My CNCzone" click, and select edit profile and then cut and paste your remarks in the signature dialog.



Mortek, so far as which surfaces get machined, what I do at the present time (not saying this is the way) is create a quick "cover plate surface" to put over top of any area where you don't want the tool to descend in to if it lies inside your main boundary. In some cases you can limit the tool movement by specifying a bottom of job that is not the "real bottom" but will serve nonetheless to prevent further pathing downwards where you may not want it to go.

Each case is a special case, so it's next to impossible to give a hard and fast rule about it.

It should never be necessary to use another program to create the 2d path. Once you have a boundary, create a quick planar surface beneath it, and then perform a pocket routine inside your boundary, at the fixed depth of the surface. Backplot this code and save it on a new layer as the custom path you intend to use. You can delete the nc process that you used to create this backplot.

Does this sound reasonable? I haven't done it but I think this would be my (newbie) approach to it.