By default, Artcut might use inches. You can change this to millimeters under Option > System Setting > Unit for more precise international projects. Why People Still Use It
Standard geometric shapes, line drawing, and node editing. artcut 2002 hit repack
However, for the 1% of hobbyists restoring a 1997 Roland PNC-1000 with a parallel port and a dream, that repack might be the only key that turns the lock. By default, Artcut might use inches