The Tometekure is one of my personal favourites among the units I have made. It is a Gauss cruiser smaller then the OTA Conqueror.
The model has 2 barrels, one dark and one lighter, use the one you like the most.
More images are in the gallery: Arm Tometekure
Helpful images for construction are in the Tometekure [beta stage] gallery.
Arm Tometekure
Tags: Arm, papercraft, pepakura, Tometekure, total annihilation