A nifty work-around for HeeksCNC Kurve offset error

HeeksCNC can be finicky about profiles.  Often I’ve found that a sketch which should be easily profiled won’t generate any gcode at all.  When I look in the console, I find an error like this   File “/usr/lib/heekscnc/kurve_funcs.py”, line 247, in profile     raise Exception, “couldn’t offset kurve ” + str(offset_curve) Exception: couldn’t offset…