40 lines
1.5 KiB
Python
40 lines
1.5 KiB
Python
import cadquery as cq
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# Points we will use to create spline and polyline paths to sweep over
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pts = [
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(0, 1),
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(1, 2),
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(2, 4)
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]
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# Spline path generated from our list of points (tuples)
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path = cq.Workplane("XZ").spline(pts)
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# Sweep a circle with a diameter of 1.0 units along the spline path we just created
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defaultSweep = cq.Workplane("XY").circle(1.0).sweep(path)
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# Sweep defaults to making a solid and not generating a Frenet solid. Setting Frenet to True helps prevent creep in
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# the orientation of the profile as it is being swept
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frenetShell = cq.Workplane("XY").circle(1.0).sweep(path, makeSolid=True, isFrenet=True)
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# We can sweep shapes other than circles
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defaultRect = cq.Workplane("XY").rect(1.0, 1.0).sweep(path)
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# Switch to a polyline path, but have it use the same points as the spline
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path = cq.Workplane("XZ").polyline(pts)
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# Using a polyline path leads to the resulting solid having segments rather than a single swept outer face
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plineSweep = cq.Workplane("XY").circle(1.0).sweep(path)
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# Switch to an arc for the path
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path = cq.Workplane("XZ").threePointArc((1.0, 1.5), (0.0, 1.0))
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# Use a smaller circle section so that the resulting solid looks a little nicer
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arcSweep = cq.Workplane("XY").circle(0.5).sweep(path)
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# Translate the resulting solids so that they do not overlap and display them left to right
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show_object(defaultSweep)
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show_object(frenetShell.translate((5, 0, 0)))
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show_object(defaultRect.translate((10, 0, 0)))
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show_object(plineSweep.translate((15, 0, 0)))
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show_object(arcSweep.translate((20, 0, 0))) |