GRAMATICA: A general 3D shape grammar interpreter targeting the mass customization of housing

This paper presents a general 3D shape grammar interpreter named GRAMATICA and illustrates its use for the implementation of several shape grammars, including the one used in the design module of a specifi c shape grammar for mass-customized housing, called DESIGNA. The underlying shape representation, generation and control are discussed. The resulting shape grammar interpreter tries to support designersí ways of thinking and working by acting as a bridge between shape grammars, the formalism that captures a design process, and a CAD application, for post-processing the computed design. This bridge is implemented by Rosetta, which ensures portability among different CAD applications