Facade shows how to create an iris opening rig in Cinema 4D using some simple Xpresso to create some controls to open and close diaphragm.
In this tutorial, I will show you how to create a simple Iris Portal in Cinema 4D
Using a Cloner Object along side Xpresso creating some user data controls, Facade uses a boolean object as a mask to hide the outer edges of the iris, making them conform to a circle shape. Check out the tutorial for Creating an Iris Opening rig in Cinema 4D here.