Astray Red Frame boasts a brilliant movement as of samurai appeared in RG! - To pursue a structure that feel from the assembly stage  when it was replaced by the mobile suit. Beyond the body skeleton, we realize the claim of a certain frame. 1: pursue skeleton as MS in a completely new design frame. And not the imitation of the human body moving, and reproduce the frame of Astray by designing a skeleton of as mobile suits. 2: frame is for flexible moving in conjunction with the exposed exterior. In humans, and connect the bones,   is interposed to move. The Astray, part of the outer frame exhibit a role as a muscle.   and achieve a natural moving by   . 3: reproduce the moving gimmick to detail. Cylinder seen from the flank and gaps are interlocked movable, together with the joint moving to flow, a movable gimmick detail is reproduced, thereby realizing a natural moving the whole.