mirror of
https://github.com/gumyr/build123d.git
synced 2025-12-06 02:30:55 -08:00
79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
"""
|
|
|
|
name: tea_cup.py
|
|
by: Gumyr
|
|
date: March 27th 2023
|
|
|
|
desc: This example demonstrates the creation of non-planar objects.
|
|
|
|
license:
|
|
|
|
Copyright 2023 Gumyr
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
"""
|
|
from build123d import *
|
|
|
|
wall_thickness = 3 * MM
|
|
fillet_radius = wall_thickness * 0.49
|
|
|
|
with BuildPart() as tea_cup:
|
|
# Create the bowl of the cup as a revolved cross section
|
|
with BuildSketch(Plane.XZ) as bowl_section:
|
|
with BuildLine():
|
|
# Start & end points with control tangents
|
|
s = Spline(
|
|
(30 * MM, 10 * MM),
|
|
(69 * MM, 105 * MM),
|
|
tangents=((1, 0.5), (0.7, 1)),
|
|
tangent_scalars=(1.75, 1),
|
|
)
|
|
# Lines to finish creating ½ the bowl shape
|
|
Polyline(s @ 0, s @ 0 + (10 * MM, -10 * MM), (0, 0), (0, (s @ 1).Y), s @ 1)
|
|
make_face() # Create a filled 2D shape
|
|
revolve(axis=Axis.Z)
|
|
# Hollow out the bowl with openings on the top and bottom
|
|
offset(amount=-wall_thickness, openings=tea_cup.faces().filter_by(GeomType.PLANE))
|
|
# Add a bottom to the bowl
|
|
with Locations((0, 0, (s @ 0).Y)):
|
|
Cylinder(radius=(s @ 0).X, height=wall_thickness)
|
|
# Smooth out all the edges
|
|
fillet(*tea_cup.edges(), radius=fillet_radius)
|
|
|
|
# Determine where the handle contacts the bowl
|
|
handle_intersections = [
|
|
tea_cup.part.find_intersection(
|
|
Axis(origin=(0, 0, vertical_offset), direction=(1, 0, 0))
|
|
)[-1][0]
|
|
for vertical_offset in [35 * MM, 80 * MM]
|
|
]
|
|
# Create a path for handle creation
|
|
with BuildLine(Plane.XZ) as handle_path:
|
|
path_spline = Spline(
|
|
handle_intersections[0] - (wall_thickness / 2, 0),
|
|
handle_intersections[0] + (35 * MM, 30 * MM),
|
|
handle_intersections[0] + (40 * MM, 60 * MM),
|
|
handle_intersections[1] - (wall_thickness / 2, 0),
|
|
tangents=((1, 1.25), (-0.2, -1)),
|
|
)
|
|
# Align the cross section to the beginning of the path
|
|
with BuildSketch(
|
|
Plane(origin=path_spline @ 0, z_dir=path_spline % 0)
|
|
) as handle_cross_section:
|
|
RectangleRounded(wall_thickness, 8 * MM, fillet_radius)
|
|
sweep() # Sweep handle cross section along path
|
|
|
|
assert abs(tea_cup.part.volume - 130326.77052487945) < 1e-3
|
|
|
|
if "show_object" in locals():
|
|
show_object(tea_cup.part, name="tea cup")
|