2D Grayscales compared with their extrusions Color

by Chris Casady
8/13/00

a-dome arc b-window c-windows d-tractorseat e-stepscorrupted f-stairdown g-astairpodz
h-stairsideways i-balcony j-swancorner k-japroof l-missionroof m-bookPages n-BrickFlam
n-Turret p-roadway q-swirlterrain r-dune towerBabel towerBabel2 Tpterry
zparkingstop