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85 lines
2.6 KiB
Python
85 lines
2.6 KiB
Python
"""
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name: lego.py
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by: Gumyr
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date: September 12th 2022
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desc:
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This example creates a model of a double wide lego block with a
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parametric length (pip_count).
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*** Don't edit this file without checking the lego tutorial ***
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license:
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Copyright 2022 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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from build123d import *
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pip_count = 6
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lego_unit_size = 8
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pip_height = 1.8
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pip_diameter = 4.8
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block_length = lego_unit_size * pip_count
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block_width = 16
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base_height = 9.6
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block_height = base_height + pip_height
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support_outer_diameter = 6.5
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support_inner_diameter = 4.8
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ridge_width = 0.6
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ridge_depth = 0.3
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wall_thickness = 1.2
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with BuildPart() as lego:
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with BuildSketch():
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perimeter = Rectangle(block_length, block_width)
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Offset(
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perimeter,
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amount=-wall_thickness,
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kind=Kind.INTERSECTION,
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mode=Mode.SUBTRACT,
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)
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with GridLocations(0, lego_unit_size, 1, 2):
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Rectangle(block_length, ridge_width)
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with GridLocations(lego_unit_size, 0, pip_count, 1):
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Rectangle(ridge_width, block_width)
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Rectangle(
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block_length - 2 * (wall_thickness + ridge_depth),
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block_width - 2 * (wall_thickness + ridge_depth),
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mode=Mode.SUBTRACT,
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)
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with GridLocations(lego_unit_size, 0, pip_count - 1, 1):
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Circle(support_outer_diameter / 2)
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Circle(support_inner_diameter / 2, mode=Mode.SUBTRACT)
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Extrude(amount=base_height - wall_thickness)
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with Workplanes(
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Plane(origin=(0, 0, lego.vertices().sort_by(Axis.Z)[-1].Z), z_dir=(0, 0, 1))
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):
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Box(
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block_length,
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block_width,
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wall_thickness,
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centered=(True, True, False),
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)
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with Workplanes(lego.faces().sort_by(Axis.Z)[-1]):
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with GridLocations(lego_unit_size, lego_unit_size, pip_count, 2):
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Cylinder(
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radius=pip_diameter / 2, height=pip_height, centered=(True, True, False)
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)
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if "show_object" in locals():
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show_object(lego.part.wrapped, name="lego")
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