surface.py

SIZE_X = 20
SIZE_Y = 20
TOP_Z = 0.750
CUTTER_DIAMETER = 0.750


#This is just some misc setup stuff
from decimal import Decimal
def drange(start, stop, step):
  value = Decimal(start)
  step = Decimal(step)
  stop = Decimal(stop)
  while value < stop:
     yield value
     value += step  



with open('output.txt', 'w') as myfile:
  def w(text):
    myfile.write(text + "\n")
    print(text)

  w('m5')
  w('g53 z0')
  w('g90')
  w('t5')
  w('s15000')
  w('f400')
  w('m3')

  w('g0 x0 y-{0}'.format(CUTTER_DIAMETER))
  w('g0 z{0}'.format(TOP_Z+0.25))
  w('g1 z{0}'.format(TOP_Z))

  for x in drange("0.000", SIZE_X, CUTTER_DIAMETER/2):
    w('g1 y{0}'.format(SIZE_Y+CUTTER_DIAMETER))
    w('g0 y-{0}'.format(CUTTER_DIAMETER))
    w('g0 x{0}'.format(x))

  w('g53 z0')
  w('m5')