1) While importing FreePCB CAM files into circuit CAM If you find the package pads shorted out, then change the following settings Go as usual to Generate CAM files. In the window that pops up, set the Gerber file dimensions as follows Copper to copper fill clearance = 1 Hole edge to copper-fill clearance = 1 Leave the rest as it is. 2) When you import the FreePCB generated CAM files "drill" you will initially To import Gerbers from FreePCB to CircuitCam for use on the LPKF milling Machine (the steps listed above have been incorporated for convenience.) From HowTo Wiki, a Wikia wiki.