periodic

https://cad.onshape.com/documents/cbd5b34feb4bb0575a2bb2b4/w/37bf21e38c9e1ebe1fdbda21/e/113fec25a8e729bfba1786e4 So this is even more experimental than Bridging Curve Plus, but it seems to do some things that I've wanted for a while. Onshape doesn't have great ways to manipulate multiple points in a feature at once, and…