Complex sentence: The Waterman polyhedra are created by packing spheres according cubic close (st) packing (CCP) and sweep away spheres that are farther from the center than a defined radius, the resulting pack of spheres is then convex hulled, and thereby a polyhedron is created.
Split into simpler sentences: The Waterman polyhedra are created by packing spheres according to the cubic close (st) packing (CCP), then sweeping away spheres that are farther from the center than a defined radius. The resulting pack of spheres is then convex hulled, and thereby a polyhedron is created.