96 lines
3.2 KiB
Python
96 lines
3.2 KiB
Python
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# /// script
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# requires-python = ">=3.14"
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# dependencies = ["ocp_vscode", "build123d"]
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# ///
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from build123d import *
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from ocp_vscode import *
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### Dimensions ###
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total_length = (11.0 + 7.0 / 8.0) * IN
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width = (4.0 + 3.0 / 4.0) * IN
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thickness = 0.5 * IN
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slot_height = (3.0 / 8.0) * IN
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slot_thickness = 1.0 / 4.0 * IN
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slot_width = (1.0 + 3.0 / 8.0) * IN - 2 * slot_thickness
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slot_axial_thickness = 0.1 * IN
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step_height = 3.0 / 32.0 * IN
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step_width = 2.75 * IN
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tab_size = 1 * IN
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##################
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class ShelfHalf(Compound):
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def __init__(self, width, length, thickness, right):
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with BuildPart() as half:
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with BuildSketch() as sketch:
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Rectangle(length, width)
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extrude(amount=thickness)
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with BuildSketch(half.faces().sort_by(Axis.Z)[0]) as sketch:
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with Locations((0, width / 2.0)):
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Rectangle(length, step_width, align=(Align.CENTER, Align.MAX))
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extrude(amount=step_height)
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with BuildSketch(Plane.YZ.offset(-length / 2.0 if right else length / 2.0)):
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z_align = Align.MAX
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with Locations((-width / 2.0, 0)):
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Rectangle(
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slot_width + 2 * slot_thickness,
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slot_height + slot_thickness,
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align=(Align.MIN, z_align),
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)
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with Locations((slot_thickness - width / 2.0, 0)):
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Rectangle(
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slot_width,
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slot_height,
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align=(Align.MIN, z_align),
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mode=Mode.SUBTRACT,
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)
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direction = 1 if right else -1
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extrude(amount=slot_axial_thickness * direction)
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fillet(
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half.edges().filter_by(Axis.X),
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radius=slot_width / 20.0,
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)
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if right:
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loc_mul = 1.0
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x_align = Align.MIN
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extrude_mode = Mode.ADD
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tolerance = 0
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else:
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loc_mul = -1.0
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x_align = Align.MIN
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extrude_mode = Mode.SUBTRACT
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tolerance = 0.01
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with BuildSketch(Plane.XY.offset(thickness)) as sketch:
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with Locations(
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(
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loc_mul * length / 2.0,
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0,
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),
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):
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with GridLocations(0, width / 3.0, 1, 3):
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Rectangle(
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tab_size + tolerance,
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tab_size + tolerance,
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align=(x_align, Align.CENTER),
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)
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extrude(amount=-thickness / 2.0, mode=extrude_mode)
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RigidJoint(
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"face_joint", joint_location=Location((loc_mul * length / 2.0, 0))
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)
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super().__init__(half.part.wrapped, joints=half.part.joints)
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right = ShelfHalf(width, total_length / 2.0, thickness, True)
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left = ShelfHalf(width, total_length / 2.0, thickness, False)
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left.joints["face_joint"].connect_to(right.joints["face_joint"])
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show(right, left)
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export_stl(right, "right_shelf.stl")
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export_stl(left, "left_shelf.stl")
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