mirror of
https://github.com/gumyr/build123d.git
synced 2025-12-06 02:30:55 -08:00
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
from build123d import *
|
|
from ocp_vscode import show
|
|
|
|
with BuildPart() as p:
|
|
with BuildSketch() as xy:
|
|
with BuildLine():
|
|
l1 = ThreePointArc((5 / 2, -1.25), (5.5 / 2, 0), (5 / 2, 1.25))
|
|
Polyline(l1 @ 0, (0, -1.25), (0, 1.25), l1 @ 1)
|
|
make_face()
|
|
extrude(amount=4)
|
|
|
|
with BuildSketch(Plane.YZ) as yz:
|
|
Trapezoid(2.5, 4, 90 - 6, align=(Align.CENTER, Align.MIN))
|
|
_, arc_center, arc_radius = full_round(yz.edges().sort_by(SortBy.LENGTH)[0])
|
|
extrude(amount=10, mode=Mode.INTERSECT)
|
|
|
|
# To avoid OCCT problems, don't attempt to extend the top arc, remove instead
|
|
with BuildPart(mode=Mode.SUBTRACT) as internals:
|
|
y = p.edges().filter_by(Axis.X).sort_by(Axis.Z)[-1].center().Z
|
|
|
|
with BuildSketch(Plane.YZ.offset(4.25 / 2)) as yz:
|
|
Trapezoid(2.5, y, 90 - 6, align=(Align.CENTER, Align.MIN))
|
|
with Locations(arc_center):
|
|
Circle(arc_radius, mode=Mode.SUBTRACT)
|
|
extrude(amount=-(4.25 - 3.5) / 2)
|
|
|
|
with BuildSketch(Plane.YZ.offset(3.5 / 2)) as yz:
|
|
Trapezoid(2.5, 4, 90 - 6, align=(Align.CENTER, Align.MIN))
|
|
extrude(amount=-3.5 / 2)
|
|
|
|
with BuildSketch(Plane.XZ.offset(-2)) as xz:
|
|
with Locations((0, 4)):
|
|
RectangleRounded(4.25, 7.5, 0.5)
|
|
extrude(amount=4, mode=Mode.INTERSECT)
|
|
|
|
with Locations(p.faces(Select.LAST).filter_by(GeomType.PLANE).sort_by(Axis.Z)[-1]):
|
|
CounterBoreHole(0.625 / 2, 1.25 / 2, 0.5)
|
|
|
|
with BuildSketch(Plane.YZ) as rib:
|
|
with Locations((0, 0.25)):
|
|
Trapezoid(0.5, 1, 90 - 8, align=(Align.CENTER, Align.MIN))
|
|
full_round(rib.edges().sort_by(SortBy.LENGTH)[0])
|
|
extrude(amount=4.25 / 2)
|
|
|
|
mirror(about=Plane.YZ)
|
|
|
|
part = scale(p.part, IN)
|
|
print(f"\npart weight = {part.volume*7800e-6/LB:0.2f} lbs")
|
|
|
|
show(p)
|