Ex025_Swept_Helix.py

importcadqueryascq

r=0.5# Radius of the helix
p=0.4# Pitch of the helix - vertical distance between loops
h=2.4# Height of the helix - total height

# Helix
wire=cq.Wire.makeHelix(pitch=p, height=h, radius=r)
helix=cq.Workplane(obj=wire)

# Final result: A 2D shape swept along a helix.
result= (
cq.Workplane("XZ") # helix is moving up the Z axis
 .center(r, 0) # offset isosceles trapezoid
 .polyline(((-0.15, 0.1), (0.0, 0.05), (0, 0.35), (-0.15, 0.3)))
 .close() # make edges a wire
 .sweep(helix, isFrenet=True) # Frenet keeps orientation as expected
)

show_object(result)