Kenneth Rose Alla Sheffer Jamie Wither Marie-Paule Cani Boris Thibert Developable surfaces from arbitrary sketched boundaries. 163-172 2007 conf/sgp/2007 Symposium on Geometry Processing http://doi.acm.org/10.1145/1281991.1282014 db/conf/sgp/sgp2007.html#RoseSWCT07