Very subtle fills past the cutting line.
Lebbeus Woods - his drawings are amazing
Impact force through planes - Lebbeus Woods – War and Architecture | Graphicine
An Aeroliving Lab by Lebbeus Woods
Lebbeus Woods "DMZ" http://www.flickr.com/photos/eupalinos/5311476383/
Click to enlarge image Lebbeus-Woods-Tchoban-Foundation-drawings_dezeen_468_6.jpg
Lebbeus Woods at ROOM EAST
Lebbeus Woods : Nine Reconstructed Boxes (1999)