If you want to play with the Fourier Transform of 2D curves: https://osresearch.github.io/fft-doodle/
@twylo I also miss the simplicity of early Linux on a floppy disk. It felt possible to really understand every bit.
@arofarn This one is seven turns, three twists, with a triangular cross-section that rotates 60 degrees each partial loop so there is a flat side on the bottom. My goal was to make it printable without support material on FDM 3D printers.
Make your own version of the customizable helical mobius! https://www.thingiverse.com/thing:5189077
Hurrah! It's bridged the gap between the seven pieces, making it into one Mobius strip now.
@eqe that was my inspiration! Unfortunately the (undocumented) web socket API doesn't have an efficient way to retrieve the active vehicles so it subscribes to every stop and gets 20x the network traffic. Based on this earlier project https://trmm.net/BusTimeNL/