experimenting with an "accurate" light refractive glass material in blender 3d with cycles render engine made procedurally by separating rgb channels and indicating an index of refraction. each edition has a different index of refraction and thus bends the light uniquely. the categories from most to least scarce are: unique, scarce and limited. Espinosa is tz1R6BwbaQPC7ECzghDSRdnhX2cWC1pvBWDY - find me on twitter @spnsmtndsgn or IG @espinosa.motion.design