from extruder_turtle import ExtruderTurtle
import math
t = ExtruderTurtle()
t.name("euler-spiral.gcode")
t.setup(x=100, y=100)
t.rate(700)
t.set_density(0.5)
length = 0
dl = 5
for i in range(200):
length += dl
t.move(dl)
t.right(2 * math.pi * length * dl / 10)
dl = 5 / length
t.finish()
n = 1
t = ExtruderTurtle()
## Set up the turtle
t.name("not-a-cardioid.gcode")
t.setup(x=100, y=100)
t.rate(700)
for l in range(50):
## Draw a circle
t.set_density(0.07)
t.left(dtheta/2)
for k in range(N):
t.right(dtheta)
t.move(dx)
t.right(dtheta/2)
## Draw several chords
for i in range(10):
t.dwell(100)
t.set_density(0.03)
angle = n*dtheta/2
t.right(angle)
t.move(DIAMETER*math.sin(angle))
t.right(angle)
## Point n is joined by a line segment to point 2n
n = (3*n) % N
## Move to the next layer
t.lift(0.3)
NUM_SIDES = 5
LAYERS = 100
t = ExtruderTurtle()
## Set up the turtle
t.name("gappy-prism.gcode")
t.setup(x=100, y=100)
t.rate(700)
for l in range(LAYERS):
## Draw a pentagon
for k in range(NUM_SIDES):
## Draw one side, with a randomly chosen gap
x = (SIDELENGTH-GAPLENGTH) * random.random()
t.move(x)
## Move out of the way in order to break the plastic strand
t.penup()
t.right(math.pi/2)
t.move(SIDELENGTH)
t.dwell(50)
t.left(math.pi)
t.move(SIDELENGTH)
t.right(math.pi/2)
## Skip over the gap and continue drawing the side
t.move(GAPLENGTH)
t.pendown()
t.move(SIDELENGTH-GAPLENGTH-x)
t.right(2*math.pi/NUM_SIDES)
## Move to the next layer
SIDELENGTH = 25
NUM_SIDES = 5
LAYERS = 100
dx = SIDELENGTH/(NUM_HAIRS+1)
t = ExtruderTurtle()
## Set up the turtle
t.name("furry-prism.gcode")
t.setup(x=100, y=100)
t.rate(FEEDRATE)
t.set_density(EXT_DENSITY)
for l in range(LAYERS):
## Draw a pentagon
for k in range(NUM_SIDES):
t.move(dx)
for n in range(NUM_HAIRS):
t.left(HAIR_ANGLE)
t.move(HAIRLENGTH)
t.move(-HAIRLENGTH)
t.right(HAIR_ANGLE)
t.move(dx)
t.right(2*math.pi/NUM_SIDES)
## Move to the next layer
t.lift(LAYER_HEIGHT)
## Save to a GCODE file
t.finish()
from extruder_turtle import ExtruderTurtle
import math
t = ExtruderTurtle()
## Set up the turtle
t.name("feedrate-test.gcode")
t.setup(x=100, y=100)
## Parameters
min_rate = 200
max_rate = 10000
height = 200
for l in range(height):
## Feedrate increases linearly from one layer to the next,
## making the extruder move faster and faster
t.rate(min_rate + l * (max_rate - min_rate) / height)
## Draw a square
for k in range(4):
t.move(30)
t.right(math.pi / 2)
## Move to the next layer
t.lift(0.3)
## Save to a GCODE file
t.finish()
LAYERS = 100
t = ExtruderTurtle()
## Set up the turtle
t.name("bumpy-prism.gcode")
t.setup(x=100, y=100)
t.rate(700)
t.set_density(0.07)
for l in range(LAYERS):
## Draw a pentagon
for k in range(NUM_SIDES):
## Draw one side, with a randomly placed bump
x = SIDELENGTH * random.random()
t.move(x)
t.left(BUMP_ANGLE)
t.rate(100)
t.move(BUMPLENGTH)
t.dwell(50)
t.move(-BUMPLENGTH)
t.rate(700)
t.right(BUMP_ANGLE)
t.move(SIDELENGTH - x)
t.right(2 * math.pi / NUM_SIDES)
## Move to the next layer
t.lift(0.3)
## Save to a GCODE file
t.finish()