# Parametric Design Tools ## People - [[Kevin Lynagh]] - [[Toby Schachman]] ## Research [Christoph M. Hoffmann](https://www.cs.purdue.edu/homes/cmh/) has written on this extensively. Good paper to start with would be [Semantic Problems of Generative, Constraint Based Design](https://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=2074&context=cstech).