altair slc python polar plotting three-dimensional spiral nautilus using Aman, AHA, and ava files
nautilus shell like spiral
https://github.com/rogerjdeangelis/altair-slc-python-polar-plotting-three-dimensional-spiral-nautilus-using-aman-aha-and-ava-files/blob/main/pysample.png
Too long to post; see github
https://github.com/rogerjdeangelis/altair-slc-python-polar-plotting-three-dimensional-spiral-nautilus-using-aman-aha-and-ava-files