3D Video Projection Mapping on Cubes with Quartz Composer

Projecting onto several Cubes mad out of Cardboard or Wood. Using two 3000 ANSI Projectors connected to a MacPro with a Matrox DualHead2Go. Mapping and Live-Visuals realized with Quartz exclusively. used this patch for the mapping: today i would prefer using a perspective correct version like this: