Complex sentence: The corners reach to the center of the puzzle (like the original mechanism) and the center pieces hold the central edges in place (like the Eastsheen mechanism) allowing smooth and fast rotation and creating arguably the fastest and most durable version of the puzzle.
Split into simpler sentences: The corners reach to the center of the puzzle (like the original mechanism) and the center pieces hold the central edges in place (like the Eastsheen mechanism). This allows smooth and fast rotation and creating arguably the fastest and most durable version of the puzzle.