metolius simulator 3d training board (black/white swirl) metolius the simulator 3d is the next generation of the #1 selling training board. for those without access to a climbing gym or space for a home wall, the "simi" is the perfect answer. huge gains can be made in upper body strength and contact (finger) strength. cnc milled for perfect symmetry. fine texture. dimensions: 28" x 8.75" (711 mm x 222 mm)