1  from math import *
 2  
 3  print "G20 F60"
 4  print "G64 P0.001"
 5  print "G0 X0 Y0 Z0"
 6  a=.1
 7  for i in range(100):
 8      t = i/10.
 9      x = a * (cos(t) + t * sin(t))
10      y = a * (sin(t) - t * cos(t))
11      print "G1 X%f Y%f" % (x,y)
12  print "M2"
13