Just like http://www.thingiverse.com/thing:74621 but can be printed in 3 colours http://www.youtube.com/watch?v=XCPApriguH0.8mm text depth is about the max you can go before the hot end starts to hit on the text when printing the back. i printed out at the text at 0.27mm layer, this is makes the text depth 3 layers thick. print text1 first print text 2 and the the back