Back to the thread’s topic:
I re-arranged the internal loops such that the arcs are drawn in proper sequence and as part of a THREE.Shape, which I extruded into a THREE.ExtrudeGeometry().
The updated Codepen logs the corresponding contour as SVG code for further processing i.e. in Blender. Depending on the browser used, you may have to edit the console log, like stripping unwanted empty lines and/or stray double quotes. Enjoy!
