When graffiti art appears in its popular environment, it can look like this:
Layers, angularity, textualization and exaggeration of space, as if the world were created out of strips torn from a book. The relationship to steam punk is exact.
Image from Gauche Academy. Source.
Here’s what graffiti looks in 3-D, when it invades the space formerly owned by classical sculpture: angularity, quoting, torn strips, layers, and as with the other two, an inability to escape textuality except by embodying it!
One of Barbarossa’s Knights at his Kaiserslautern Camelot