Unlike other silly mach3/industrialwhatever you can gcode this until the end-of-worlds using countless ways & logic with lcnc. It's good stuff.
e.g.
Code:
while (universe != blackhole):
self.c.mdi("G91")
self.c.mdi("G1 Z-1.")
self.c.mdi("G4 P0.3")
self.c.mdi("G90")