I haven't used it, but there are a couple scripts around for mirror-modeling morph targets, if that helps. http://www.scriptspot.com/download.asp?ID=2694&inf=1
Hello ! This is my first time posting so forgive me if I'm not posting in the right place. I've been modelling this little octopus for some time, this is my first rigging a character, I plan on making a mobile game. I want to be able to export the mesh and armature to Unity. I made an IK rig following this tutorial. I…