If you want to create a normalmap from photos, you can light the object from 4 straight angles: above,left,right,below and input your images on the gizmo.
Blink Discrete Cosine Transform naive implementation (includes the inverse dct too)
Conway's Game Of Life, in BlinkScript.
Utility to collect all input pixels next to each other.
A little blinkscript I made a while ago that makes an occlusion and curvature based on Nworld and Pworld.