I know for a fact I can't use pepakura as I have a mac and pepakura designer. Gears of War COG Armor Cosplay 'The Projects' Saturday, January 8, 2011. (pepakura models) to 3D printed models because they are simply more durable. Home / 3D Printable Armor / Suit / 3D Printable Model: JD Fenix Gears of War 4. A common feature between all the types of armor is that they are made up of a chest plate which. 'COG armor employs osmium and polyethylene fibers to create a personal body protection system that is light, durable, and strong.' Fort Reval military museum plaque Coalition Armor or Plates123 were multiple types of body armor that was worn by Gear soldiers of the Coalition of Ordered Governments.