2022-03-01 17:49:04 -05:00
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#!/usr/bin/env python3
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2022-03-01 17:44:35 -05:00
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import cadquery as cq
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from cadquery import exporters
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import key_bittings
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from key_bittings import BittingSpecification
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kerf = .11
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bitting_width = 5
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text_size = 5
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text_gap = 2
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margins = 5
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margin_radius = 2
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def bitting(loc: cq.Location, name: str, depth: float):
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# can only make text in a 3D workplane, so make it in 3D and extract the face
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text = (
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cq.Workplane()
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.text(name, fontsize=text_size, distance=1, valign="top", halign="center")
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.edges("<Z")
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)
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return (
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cq.Sketch()
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.push([(0, depth/2)]).rect(bitting_width, depth - kerf)
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.push([(0, -text_gap)]).face(text.vals())
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.moved(loc)
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)
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def decoder_card(spec: BittingSpecification):
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result = (
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cq.Sketch()
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.rect(margins * 2 + bitting_width * len(spec.depths),
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margins * 2 + text_size + text_gap + max(*spec.depths.values()))
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.vertices().fillet(margin_radius).reset()
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)
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depths = iter(spec.depths.items())
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result = (
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result
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.rarray(bitting_width, 0, len(spec.depths), 1)
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.each(lambda loc: bitting(loc, *next(depths)), mode="s")
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)
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return result
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sketch = decoder_card(key_bittings.national_disc_tumbler)
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# for preview/export purposes, a 3D object is more convenient
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result = cq.Workplane("front").workplane().placeSketch(sketch).extrude(1)
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exporters.export(result, "national_disc_tumbler_decoder.svg", opt={
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"showAxes": False,
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"projectionDir": (0, 0, 1),
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"strokeColor": (255, 0, 0),
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})
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