A stackable building wall unit adapted to be stacked with a plurality of identical building wall units in a plane to form a wall comprising three rectangular panels each including inner and outer faces, a pair of spaced apart long edges, and a pair of spaced apart short edges joined to the short edges...http://www.google.es/patents/US6935075?utm_source=gb-gplus-sharePatente US6935075 - Triangular stackable building wall module and method
Triangular stackable building wall module and method
