space-key, then use your mouse, then click space key again and use the arrow keys. https://turbowarp.org/504980595 < smoother run times
My adaptation of my quite old (unshared) project '3D cosine rotation'. its quite trippy some times Something went wrong a lot in v1.1 v1.0: very basic release v1.1: trying to use difference in mouse position and the cosine/sine of those positions to make a more accurate drawing (kind of worked). v1.2 buttons to switch from modes and pen sizes
