def create_piece(piece, mirror):
bit_diameter = 0.125
corner_radius = 0.1875
groove_depth = 0.0625
cells = [cell(x, y) for x, y in piece]
mp = cascaded_union(cells).buffer(-corner_radius).buffer(corner_radius)
g = GCode()
for p in cells:
g += GCode.from_geometry(p, G0Z, -groove_depth)
g += GCode.from_geometry(mp.buffer(bit_diameter / 2), G0Z, -0.4, bit_diameter + 0.2, 3.5)
if mirror:
g = g.scale(-1, 1)
g = g.origin()
return g
def main():
bit = 0.125
r = 0.21875
d = 0.09375
steps = 16
cells = [
cell(0, 0),
cell(1, 0),
cell(1, 1),
cell(2, 1),
cell(3, 1),
]
mp = cascaded_union(cells).buffer(-bit).buffer(bit)
g = GCode()
for p in cells:
g += GCode.from_geometry(p, G0Z, -d)
# for p in cells:
# g += GCode.from_geometry(p, G0Z, -bit)
for step in range(steps):
p = step / (steps - 1.0)
a = radians(p * 90)
x = sin(a) * r
b = x + bit / 2 - r
z = r - (r * r - x * x) ** 0.5
print '%.3f, %.3f, %.3f, %.3f' % (p, x, b, z)
g += GCode.from_geometry(mp.buffer(b), G0Z, -z)
# g += GCode.from_geometry(mp.buffer(bit / 2), G0Z, -0.4)
# g += GCode.from_geometry(mp.buffer(bit / 2), G0Z, -0.7)
# g += GCode.from_geometry(mp.buffer(bit / 2), G0Z, -0.6, bit + 0.1, 3)
g += GCode.from_geometry(mp.buffer(bit / 2), G0Z, -0.4, bit + 0.2, 3.5)
g = g.scale(-1, 1)
g = g.origin().translate(0, 0.5)
g = HEADER + g + FOOTER
p = 0#0.5
im = g.render(-p, -p, 6 + p, 6 + p, 96*4)
im.write_to_png('blokus.png')
g.save('blokus.nc')