For a span of time during the Clone War period in the
Star Wars Universe, The Grand Army of the Republic made use of an armored assault walker called the All Terrain Experimental Transport (or AT-XT for short). Use of the AT-XT was short lived, and it eventually gave way to the more familiar
AT-ST walker. This papercraft model of an AT-XT was created by Blaar, who no doubt used a 3D model from a Star Wars video game as the basis of his design. Created in 2011, the Pepakura PDO template for this model is still available here:
MediaFire. The first appearance of the AT-XT in the
Star Wars franchise was in the
Star Wars: The Clone Wars video game released in 2002.