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import cadquery as cq
import math as m
spacing = 21.5
size = spacing * 1.5 / m.sqrt(3)
radius = size * 4/3
sin30, cos30 = m.sin(30/180*m.pi), m.cos(30/180*m.pi)
epsi = 1e-6
def shape2points(shape):
lines = shape.strip('\n').split('\n')
for y, line in enumerate(lines):
for x, char in enumerate(line):
if char != ' ':
yield x, y
def gridpos(x, y, ox=0, oy=0):
return (x * spacing / 2 + ox, -y * size + oy)
def gridify(gen):
for x, y in gen:
yield gridpos(x, y)
def make_outline():
results = []
key_pos = list(gridify(shape2points('''
X X X
X X X X
X X X X X
X X X X
X
''')))
extras = list(gridify(shape2points('''
X X
X X X
''')))
return (
cq.Workplane("XY")
.sketch()
.push(key_pos)
.regularPolygon(radius/2, 6)
.reset()
.push([(x+2*cos30, y-2*sin30) for x,y in extras])
.regularPolygon(radius/2, 6)
.reset()
.clean()
.segment(
gridpos(11, 1 + 2/3, ox=2*cos30, oy=-2*sin30),
gridpos(8.75, 1/12-1, ox=-2*cos30, oy=-2*sin30),
)
.segment(gridpos(7, -1/3))
.segment(gridpos(7, 1/3))
.segment(gridpos(8, 2/3))
.segment(gridpos(8, 4/3))
.segment(gridpos(9, 5/3, ox=2*cos30, oy=-2*sin30))
.segment(gridpos(10, 4/3, ox=2*cos30, oy=-2*sin30))
.assemble()
.finalize()
.extrude(1)
.faces('<Z')
.wires()
.toPending()
.extrude(1.6)
# fillets
.edges('|Z')
.fillet(4)
.translate((1.5*spacing, -2*size, 0))
.pushPoints([
(53.75, -52.652),
(110.5, -43.446),
(53.75, -101.554),
(119.982, -90.891),
])
.circle(3.2)
.cutThruAll()
# .section()
)
try:
show_object
except NameError:
show_object = None
if __name__ == "__main__" or show_object:
filename = 'outline.dxf'
obj = make_outline()
if show_object:
show_object(obj, name=filename)
else:
print('generating "{}"...'.format(filename))
cq.exporters.export(obj, filename)
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