1. Yes, use animate->ATOM, works quite well 2. HumanIK has a mirroring function, custom Rigs dont. When you use Mark Jacksons fantastic Red9 Tools, you can set up your custom Rig mirrorable. http://red9-consultancy.blogspot.de/ 3. Yes it works like charm like in Motionbuilder, however, i havent tried to retarget onto a…