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modified: examples/benchy.py new file: examples/benchy_v2024.py modified: examples/boxes_on_faces.py modified: examples/boxes_on_faces_algebra.py modified: examples/build123d_customizable_logo.py modified: examples/build123d_customizable_logo_algebra.py modified: examples/build123d_logo_algebra.py
84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
"""
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STL import and edit example
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name: benchy.py
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by: Gumyr
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date: July 9, 2023
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desc:
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This example imports a STL model as a Solid object and changes it.
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The low-poly-benchy used in this example is by reddaugherty, see
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https://www.printables.com/model/151134-low-poly-benchy.
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license:
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Copyright 2023 Gumyr
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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# [Imports]
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from build123d import *
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from ocp_vscode import *
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# [Parameters]
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# - none
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# [Code]
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# Import the benchy as a Solid model
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importer = Mesher()
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benchy_stl = importer.read("low_poly_benchy.stl")[0]
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with BuildPart() as benchy:
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add(benchy_stl)
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# Determine the plane that defines the top of the roof
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vertices = benchy.vertices()
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roof_vertices = vertices.filter_by_position(Axis.Z, 38, 42)
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roof_plane_vertices = [
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roof_vertices.group_by(Axis.Y, tol_digits=2)[-1].sort_by(Axis.X)[0],
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roof_vertices.sort_by(Axis.Z)[0],
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roof_vertices.group_by(Axis.Y, tol_digits=2)[0].sort_by(Axis.X)[0],
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]
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roof_plane = Plane(
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Face.make_from_wires(
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Wire.make_polygon([v.to_tuple() for v in roof_plane_vertices])
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)
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)
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# Remove the faceted smoke stack
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split(bisect_by=roof_plane, keep=Keep.BOTTOM)
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# Determine the position and size of the smoke stack
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smoke_stack_vertices = vertices.group_by(Axis.Z, tol_digits=0)[-1]
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smoke_stack_center = sum(
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[Vector(v.X, v.Y, v.Z) for v in smoke_stack_vertices], Vector()
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) * (1 / len(smoke_stack_vertices))
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smoke_stack_radius = max(
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[
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(Vector(*v.to_tuple()) - smoke_stack_center).length
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for v in smoke_stack_vertices
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]
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)
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# Create the new smoke stack
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with BuildSketch(Plane(smoke_stack_center)):
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Circle(smoke_stack_radius)
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Circle(smoke_stack_radius - 2 * MM, mode=Mode.SUBTRACT)
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extrude(amount=-3 * MM)
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with BuildSketch(Plane(smoke_stack_center)):
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Circle(smoke_stack_radius - 0.5 * MM)
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Circle(smoke_stack_radius - 2 * MM, mode=Mode.SUBTRACT)
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extrude(amount=roof_plane_vertices[1].Z - smoke_stack_center.Z)
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show(benchy)
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# [End]
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