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I have been experimenting using the IK bone controller for moving legs. The best I have been able to achieve is the knee going correctly with the foot facing backward. I went back to the doc scene, and wanted to replicate the problem, but there are too many bones for Dude, & they are all named 'bonexx', where xx is the index. First question, what are the indexes of a calf & thigh bones? Next thing I did was turn off the animation, leaving only the ik controller update in the before render. Without the animation it is completely wrong, https://www.babylonjs-playground.com/#1EVNNB#103. I know having a nice demo can be nice, but more difficult if building up your own stuff where you are adding things as you get them worked out. Also, I am using 3.0. Were there any changes for this area for 3.1, I need to be aware of? Thanks.