I do both 2D, 3D and 4D, but I cheat on the 4D. Most of my stuff is pretty small, less than 2" x 4".
Right now Madcam is free if you have another CAM program. It's a plug in to Rhino3d. The guy who makes it is trying to get people to buy his forthcoming version of Madcam by giving away the current one for free. The upgrade is $500 and the full version is $2000, but it's not released yet. |