2022-07-22 21:23:27 +00:00
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import cadquery2 as cq
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from cadquery2 import exporters
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from parameters import *
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# M3x20 screw
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screw_l = 22
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screw_shaft = 20
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screw_head_h = 2.5
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screw_head_radius = 3.5
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screw_radius = 1.5
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hinge_s = 7.5
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2022-07-23 13:07:56 +00:00
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hinge_t = ti_depth - 1
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2022-07-22 21:23:27 +00:00
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hinge_gap = screw_shaft - 2 * hinge_t
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2022-07-23 13:07:56 +00:00
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# The side of the screw head
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2022-07-22 21:23:27 +00:00
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hinge_profile_1 = (
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cq.Sketch()
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.segment((0, 0), (0, hinge_s))
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.arc((0, hinge_s), (hinge_s / 2, 1.5 * hinge_s), (hinge_s, hinge_s))
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.segment((hinge_s, 0))
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.close()
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.arc((hinge_s / 2, hinge_s), screw_radius, 0, 360)
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.assemble()
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)
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hinge_profile_2 = (
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cq.Sketch()
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.segment((0, 0), (0, hinge_s))
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.arc((0, hinge_s), (hinge_s / 2, 1.5 * hinge_s), (hinge_s, hinge_s))
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.segment((hinge_s, 0))
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.close()
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.arc((hinge_s / 2, hinge_s), ti_radius, 0, 360)
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.assemble()
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)
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hinge = (
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cq.Workplane("bottom")
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.placeSketch(hinge_profile_1)
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.extrude(hinge_t)
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.workplane(offset=hinge_gap)
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.placeSketch(hinge_profile_2)
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.extrude(hinge_t)
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)
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exporters.export(hinge, "hinge.stl")
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