3 Arm Joints
1.
Make a new joint. Start from the left shoulder.
2.
6.
7.
9.
10. Make a new joint.
11.
12.
13. Press and hold D and move forward.
14. Connect them.
15.
16. Rename the joints.
17.
18.
19.
20.
21.
This is the direction of the joints.
22.
Before binding the skin, Freeze Transform the joints.
Translate can not be freezed though.
23.
Orient Joint fixes the direction of the axis to the joint direction.
-3-