Robotic Arm rig problem. :-(

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  04 April 2007
Question Robotic Arm rig problem. :-(

Hi there, I'm having a spot of bother with implementing an IK solver onto my characters arm.
I've parented the geometry to the joints and the all work ok in FK when rotating the individual joints etc. But when i put a IK on the joints the upper arm joint doesnt deform correctly with the elblow(ball). I think i have to constrain somthing, but not idea what.

I've attached the scene file so its a bit clearer to see how it isn't deforming correctly...

Thanks in advance for any help on this
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File Type: zip (68.7 KB, 3 views)
AI will never achieve Human Stupidity.
  04 April 2007
Well, the joint isn't in the exact center of the sphere. Delete the IK handle and reposition the joints so they're properly aligned and rebuilt the IK.
  04 April 2007
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