GENS = 5
sidelength = 50 / 2**GENS
t = ExtruderTurtle()
t.name("hilbert.gcode")
t.setup(x=100, y=100)
t.set_density(0.05)
t.rate(800)
for g in range(GENS):
new_instr = ""
for r in instr:
new_instr += sub_rules[r]
instr = new_instr
for l in range(10):
for r in instr:
if r == "F": t.forward(sidelength)
elif r == "+": t.right(math.pi / 2)
elif r == "-": t.left(math.pi / 2)
t.lift(0.3)
for r in reversed(instr):
if r == "F": t.backward(sidelength)
elif r == "+": t.left(math.pi / 2)
elif r == "-": t.right(math.pi / 2)
t.lift(0.3)
t.finish()
t.rate(1000)
t.set_density(0.05)
## Draw the base
for l in range(3):
length = (HAIR_ROWS + 1) * HAIR_SPACE
while length > 0:
t.left(math.pi / 2)
t.forward(length)
t.left(math.pi / 2)
t.forward(length)
length += -0.7
t.lift(0.2)
while length < (HAIR_ROWS + 1) * HAIR_SPACE:
length += 0.7
t.backward(length)
t.right(math.pi / 2)
t.backward(length)
t.right(math.pi / 2)
t.lift(0.2)
t.lift(LIFT_DIST + 0.2)
t.set_density(0.01)
t.penup()
hairs = HAIR_ROWS
t.forward(-HAIR_SPACE / 2)
t.left(math.pi / 2)
t.forward(HAIR_SPACE / 2)
while hairs > 0:
for i in range(2):
for r in range(hairs):
