TODOs: - links between rounded rects - improve ellipse arc approximation with segments - approximate ellipses with arcs - https://www.geometrictools.com/Documentation/ApproximateEllipse.pdf - https://discourse.mcneel.com/t/approximating-an-ellipse-with-4-or-8-arcs/207953 - adjust dash params to cycle nicely - approximate Bézier curves with segments/arcs