its a basic exo suit bilt to use a micro bit and servos you need to print multiple of almost all of these pieces to fit your body the small blocks are for stability on the sides the triangle pieces are for angles and the long sectors arew for the sides the sector with plate is for the micro bit the circle pieces are for the elbow joint the section with the hole is for straps to have a secure connection and there are two end pieces one for front and one for back (HAVE NO TESTED YET WILL SOON)