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from math import pi, cos, sin
def moveTo(x, y, z, f):
print "G1 X%(X)f Y%(Y)f Z%(Z)f F%(F)f" % {'X':x,'Y':y, 'Z':z, 'F':f}
def spiral(x, y, z, f, r, roh, outward):
phimax = (2*pi*r)/roh
if outward==1:
phi = 0.0
while (phi < phimax):
r = (phi*roh)/(2*pi)
nextx= x+cos(phi)*r
nexty= y+sin(phi)*r
moveTo(nextx, nexty, z, f)
phi += 0.2
else:
phi = phimax
while (phi > 0):
r = (phi*roh)/(2*pi)
nextx= x+cos(phi)*r
nexty= y+sin(phi)*r
moveTo(nextx, nexty, z, f)
phi -= 0.2
def circle(x, y, z, f, r, outward):
if outward==1:
phi = 0.0
while (phi < 2*pi):
nextx= x+cos(phi)*r
nexty= y+sin(phi)*r
moveTo(nextx, nexty, z, f)
phi += 0.2
else:
phi = 2*pi
while (phi > 0):
nextx= x+cos(phi)*r
nexty= y+sin(phi)*r
moveTo(nextx, nexty, z, f)
phi -= 0.2
feedrate = 180
layerheight = 0.7
density = 1.2
radius = 12
layer = layerheight / 2.0
print "G21"
print "G90"
print "G28"
print "M103"
print "M108 S130.0"
print "M101"
spiral(radius, radius, layer, feedrate, radius, density, 0)
layer += layerheight
spiral(radius, radius, layer, feedrate, radius, density, 1)
layer += layerheight
for i in range(0, 40):
circle(radius, radius, layer, feedrate, radius, 1)
layer += layerheight
print "M103"
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