Polygonal masonry
![View of a polygonal masonry wall at Rusellae, Italy](/Images/godic/202502/03/Polygonal_masonry_wall_of_Rusellae3601.JPG")
![Section of the ancient polygonal masonry wall of Amelia, Italy (ancient Ameria)](/Images/godic/202502/03/Polygonal_masonry_wall,_Amelia,_Italy3601.JPG")
![A detail of the polygonal masonry bastion flanking the Porta Maggiore.](/Images/godic/202502/03/Norba,_detail_of_Porta_Maggiore_bastion3601.jpg")
![Velia, Porta Rosa](/Images/godic/202502/03/Velia_09753602.jpg")
Polygonal masonry is a technique of stone construction of the ancient Mediterranean world. True polygonal masonry is a technique wherein the visible surfaces of the stones are dressed with straight sides or joints, giving the block the appearance of a polygon.