Rigging a pinnable arm mechanism – elbow lock

p2design writes:

It can be a struggle to animate contacting joint on a surface like knees and elbows.
Creating a specific rig mechanism can really help but it turns out being more complicated than expected.

In this tutorial I will show you how to build a switchable FK/IK chain and then how to add the pinning function.

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Watch the video tutorial:

Watch the animation process timelapse: