p371fig11.01 FACADE theory explains how the 3D boundaries and surfaces are formed with which we see the world in depth.<BR>||  3D Vision and figure-ground perception (Grossberg 1987, 1994, 1997).  How are 3D boundaries and 3D surfaces formed?  How the world looks without assuming naive realism.  Form And Color And DEpth theory (FACADE).  Prediction: Visible figure-ground-separated Form-And-Color-And-DEpth are represented in cortical area V4.