Design:
+ Use sdraw or any CAD tool that can export as SVG
+ Design shapes and save as SVG (scalable vector graphics)

CAM:
+ Open file with cam.py
+ Autoscale
+ Set extension of output file to .camm
+ Tweek size & position of shape
+ Countour boundary @ 0.001 to fix non-continuous trace bug
+ origin is at lower left corner of window
+ Write toolpath

CAMM_1 cutter:
+ Place sheet, roll, etc. in cutter
+ Adjust the rollers on the sheet (should be within white areas)
+ Set origin with pink buttons
+ Adjust force and speed
+ cat file.camm > /dev/lp0