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MODO Iris Door Rig

MODO Iris Door Rig

I’ve had to rig and animate iris doors several times over the years and the first couple times I attempted it proved to be quite a challenge. It turns out to be a trivial task when you break it down but isn’t that how it always works? While exploring rigging in MODO, I created this simple Iris Door Rig that is animated by one rotational channel.

There are several ways you can go about tackling a rig for this setup, but I believe this is a good example of the power of Relationship Channel Links inside of MODO. Simply scrub the “Iris_open” channel in the negative to animate the iris door open and back down to zero to close it.

This MODO source file includes a basic rig of an eight-panel iris door that can be animated by adjusting a single channel. 

MODO 10.2: 2D Faces on 3D Characters Workflow

MODO 10.2: 2D Faces on 3D Characters Workflow

Interview with CG Artist, Chris O’Riley

Interview with CG Artist, Chris O’Riley