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General Mach Discussion / scale of geode file?

« on: August 10, 2016, 05:10:38 PM »

I am using mesh cam to create files for Mach3. When I import the files in inches the gcode files are very small (not in inches but only a couple of millimeters in size ). I've tried importing the files in millimeters but they come out only marginally bigger (20-30 millimeters in size) they should be ~4"x4". How do I change the scale in Mach3? Thank you for your help.