Development & Implementation of a PyMOL 'putty' Representation
  The PyMOL molecular graphics program has been modified to introduce a new 'putty' cartoon representation, akin to the 'sausage'-style representation of the MOLMOL molecular visualization (MolVis) software package. This document outlines the development and implementation of the putty representation. 
Cameron Mura
q-bio.BM cs.GR