At SIGGRAPH today, Kaydara introduced MotionBuilder 4.0, the company’s next-generation 3D character animation software. Version 4.0 focuses on simplifying character animation, and features a new drag-and-drop interface, automatic character rigging, and improved lip sync and facial animation. MOTIONBUILDER 4.0 will be available this fall for Mac OS X, Redhat Linux, and Windows XP for US$3,495.