How can I turn this robot I’ve made around 180 deg. to face the other way? Everything I’ve tried his legs end up all wonky.
The constraints on this model are a little busted. At least, for what you want to do.
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Delete or mute the limit rotation constraints on the thigh and calf bones.
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Select the body and both foot control bones.
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Rotate in z axis, confirm.
Change the limit rotations to use local space on all leg bones.

Thanks for the replies.