Cam & T.Rex Mash Up – Download and Make for Free! Tue, 28 Jul 2015 brothercammash-upt.rex Description New project for everyone to download from the Brother Int. Creative Center. This interchangeable cam-in-a-box makes a great starting point for your own paper automata. For example, with a couple of simple modifications you can bring the T.Rex to life. Cam || T.Rex Check out the YouTube clip!