关键特性：
skeletal animation (akeytsu stacker keyframing system)
akeytsu spinner manipulator handling
animation layers (akeytsu mixer)
F-Curve editor integrated into the 3D viewport (akeytsu curveboard)
cycle special features (akeytsu cyclemaker)
keyframe onion ghosts
mesh controls (akeytsu light rig)
IK/FK solver (akeytsu light rig)
skeleton creation and editing (akeytsu light rig)
skinning creation with Skin Painter and vertices editing
animation bank
multi-views layouts
multi-files handling
FBX import/export (multi-animations export)