http://www.eng.biu.ac.il/weberof/publications/ http://www.cs.cmu.edu/~kmcrane/Projects/SpinTransformations/paper.pdf http://www.uu.nl/en/research/virtual-worlds http://www.staff.science.uu.nl/~vaxma001/Conformal_Mesh_Deformations_with_Mobi…