Jerry
80 lines
2.2 KiB
Python
80 lines
2.2 KiB
Python
from build123d import (
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Align,
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Box,
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BuildPart,
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BuildSketch,
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Cylinder,
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Location,
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Locations,
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Mode,
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Plane,
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RectangleRounded,
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extrude,
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)
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OUTER_LENGTH = 100.0
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OUTER_WIDTH = 70.0
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OUTER_HEIGHT = 30.0
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WALL_THICKNESS = 3.0
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FLOOR_THICKNESS = 3.0
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OUTER_CORNER_FILLET_RADIUS = 2.0
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STANDOFF_DIAMETER = 10.0
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STANDOFF_HEIGHT = 12.0
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STANDOFF_HOLE_DIAMETER = 3.0
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STANDOFF_HOLE_DEPTH = 8.0
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STANDOFF_LOCATIONS = (
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(-35.0, -25.0),
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(-35.0, 25.0),
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(35.0, -25.0),
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(35.0, 25.0),
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)
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def gen_step():
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"""Return a single solid open-top electronics enclosure base in millimeters."""
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inner_length = OUTER_LENGTH - 2.0 * WALL_THICKNESS
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inner_width = OUTER_WIDTH - 2.0 * WALL_THICKNESS
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cavity_height = OUTER_HEIGHT - FLOOR_THICKNESS
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standoff_top_z = FLOOR_THICKNESS + STANDOFF_HEIGHT
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with BuildPart() as enclosure:
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with BuildSketch(Plane.XY):
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RectangleRounded(
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OUTER_LENGTH,
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OUTER_WIDTH,
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OUTER_CORNER_FILLET_RADIUS,
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align=(Align.CENTER, Align.CENTER),
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)
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extrude(amount=OUTER_HEIGHT)
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with Locations(Location((0.0, 0.0, FLOOR_THICKNESS))):
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Box(
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inner_length,
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inner_width,
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cavity_height,
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align=(Align.CENTER, Align.CENTER, Align.MIN),
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mode=Mode.SUBTRACT,
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)
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for x_pos, y_pos in STANDOFF_LOCATIONS:
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with Locations(Location((x_pos, y_pos, FLOOR_THICKNESS))):
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Cylinder(
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radius=STANDOFF_DIAMETER / 2.0,
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height=STANDOFF_HEIGHT,
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align=(Align.CENTER, Align.CENTER, Align.MIN),
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mode=Mode.ADD,
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)
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with Locations(Location((x_pos, y_pos, standoff_top_z))):
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Cylinder(
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radius=STANDOFF_HOLE_DIAMETER / 2.0,
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height=STANDOFF_HOLE_DEPTH,
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align=(Align.CENTER, Align.CENTER, Align.MAX),
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mode=Mode.SUBTRACT,
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)
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part = enclosure.part
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part.label = "electronics_enclosure_base"
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return part
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