You mean non-Euclidean fabric? https://www.johndcook.com/blog/2022/09/08/trig-hyperbolic-geometry/ https://www.johndcook.com/blog/2022/09/08/trig-hyperbolic-ge

You mean non-Euclidean fabric? https://www.johndcook.com/blog/2022/09/08/trig-hyperbolic-geometry/ https://www.johndcook.com/blog/2022/09/08/trig-hyperbolic-ge... https://math.hmc.edu/funfacts/spherical-pythagorean-theorem/ https://math.hmc.edu/funfacts/spherical-pythagorean-theorem/ https://en.wikipedia.org/wiki/Minkowski_distance https://en.wikipedia.org/wiki/Minkowski_distance