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