Hi, http://jmsoler.free.fr/util/blenderfile/py/Mesh_Deform2Rvk.py A typo correction, a management of a possible error with the vertexgroups and an update of the script header. Please, is there anybody to rename the original script rvk12rvk2.py in Mesh_Deform2Rvk.py and commit ? Regards, jms.