How to plan render (refraction, reflection, translucency) and also realistic animation spacing-posing (cycle, idles, sequences, altogether) using pen paper, on set composition(like picrel mayb), or maybe
http://tululoo.com/ maybe using simple +-/() math, no mult or anything more complicated than linear algebras.
Just guidelines and such.
Maybe even make some 6 digit content/games(like any those 90s games,pc88s) etc on the same tool,plan while yer at it.
Also draw upside down or rotated without, turning the canvas.
