In the
Transformers universe, there are the Dinobots who transform, not into cars and trucks, but into dinosaurs. The leader of the Dinobots is Grimlock who transforms into a Tyrannosaurus Rex. This Grimlock papercraft by PJ Excelero Papercraft has templates available in both PDF and Pepakura PDO format, all of which is available for download
here. The finished model stands about 12" (30 cm) tall.