I want to rig and use automatic weights to a robot.
The problem is that when I try to choose Armature Deform with automatic weights, I get error:
Bone Heat weighting: failed to find solution for one or more bones
I tried searching for a solution to this problem and was informed that I should make sure my mesh doesn't have doubles and also make sure to join together all the objects. I have done that but still get this problem.
I would appreciate if anyone could help me with this problem.