The Gundam Fix Figuration (aka G.F.F.) series of collectible figures was started based on the Gundam mechanical designs of Hajime Katoki and his 'Gundam Fix' illustration artbook and are released by Bandai. Gundam Fix figures share similar features as those found in the MSiA series, but are considerably more detailed and often include more accessories. Changeable parts and variant models are often utilized throughout the line, offering the collector a wide variety of display abilities. The collectible figures use PVC (with some ABS plastic) for construction materials, and a recently introduced expansion to the line use metal in the skeleton of the figure. Gundam Fix figures are designed to be true to Hajime Katoki's vision, and as such often adopt design elements and styling found througho