2022-08-05 13:08:17 +00:00
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import cadquery2 as cq
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from cadquery2 import exporters
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thickness = 12
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width = 60
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depth = 10
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holes = 6
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screws = 2
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2022-08-05 14:50:07 +00:00
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cable_radius = 1.6
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2022-08-05 13:08:17 +00:00
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# Threaded insert hole dimensions
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ti_radius = 2.35
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ti_depth = 6.5
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# M3x8 screw
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screw_l = 10
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screw_shaft = 8
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screw_head_h = 2.5
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screw_head_radius = 3.25
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screw_radius = 1.5
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# Constants here are fudge factors to make things look nice
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screw_hole_positions = [(6 - width / 2, 0), (width / 2 - 6, 0)]
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cable_hole_positions = [((i + 1.5) * width / 8 - width / 2, 0) for i in range(holes)]
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def clamp():
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return (
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cq.Workplane("XY")
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.box(width, depth, thickness)
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.edges("|Z")
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.fillet(2)
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# Screw holes
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.faces("<Z")
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.workplane()
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.pushPoints(screw_hole_positions)
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.circle(ti_radius)
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.cutBlind(-ti_depth)
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.faces(">Z")
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.workplane()
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.pushPoints(screw_hole_positions)
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.circle(screw_radius)
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.cutBlind(-thickness)
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.faces(">Z")
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.workplane()
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.pushPoints(screw_hole_positions)
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.circle(screw_head_radius)
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.cutBlind(-screw_head_h)
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# Cable holes
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.faces(">Y")
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.workplane(centerOption="CenterOfBoundBox")
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.pushPoints(cable_hole_positions)
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.circle(cable_radius)
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.cutBlind(-depth)
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)
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exporters.export(clamp(), "full_clamp.stl")
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top_clamp = clamp().faces("<Z").workplane(offset=-thickness / 2).split(keepTop=True)
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exporters.export(top_clamp, "top_clamp.stl")
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bottom_clamp = (
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clamp().faces("<Z").workplane(offset=-thickness / 2).split(keepBottom=True)
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)
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exporters.export(bottom_clamp, "bottom_clamp.stl")
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