Breakwater with rock wave breakers on one side and two-part stepped stone wall on the other side, for the protection of port areas. Side with rocks with a height of 20m and side of the wall with the same height of the rock floor 20m and with rocks on the upper floor of the wall. Version 3d. It is a SPLINE of 3 parts, simple beginning, middle zone (4 lods) or repetition and simple end.