Allow passing in a key profile to lishi_template
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@ -32,7 +32,7 @@ notch_height = 1.5
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notch_depth = 0.5
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def lishi_template(spec: BittingSpecification, name: str, depth: float):
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def lishi_template(spec: BittingSpecification, name: str, depth: float, profile: cq.Sketch):
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key_guide_width = lishi_width/2 + side_thickness + spec.TFC - spec.BCC/2
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result = (
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@ -66,8 +66,7 @@ def lishi_template(spec: BittingSpecification, name: str, depth: float):
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.tag("key_guide")
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.edges("not <Y").fillet(corner_radius)
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.faces(">X", tag="key_guide").vertices("<Z and <Y").workplane(centerOption="CenterOfMass").center(0, bottom_thickness + lishi_cutter_offset - depth)
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# ideally, the key profile would be passed in as an argument
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.rect(spec.key_thickness + extra_key_thickness, depth, centered=False).cutThruAll()
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.placeSketch(profile).cutThruAll()
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.union(result) # this seems like a fairly bad way to do this, but it does work
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)
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@ -86,5 +85,18 @@ def lishi_template(spec: BittingSpecification, name: str, depth: float):
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spec = key_bittings.national_disc_tumbler
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for name, depth in spec.depths.items():
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result = lishi_template(spec, name, depth)
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profile = (
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cq.Sketch()
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.push([((spec.key_thickness + extra_key_thickness)/2, depth/2)])
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.rect(spec.key_thickness + extra_key_thickness, depth)
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# notch to hold key straight
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.push([(spec.key_thickness + extra_key_thickness - 0.5, 0.5 + 0.5)])
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.rect(1, 1, mode="s")
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# fillet inner corners
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.reset().vertices("not(>X or <X)") .fillet(0.3)
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)
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result = lishi_template(spec, name, depth, profile)
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exporters.export(result, f'national_disc_tumbler_{name}.stl')
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