Peruvian polygonal masonry: how, who, when and what for

The monograph covers the problem of reproduction of the most complicated for implementation type of a polygonal masonry existing in Peru using simplest means. This masonry type consists of large stone blocks weighing from several hundred kilograms to several tons fitted without a gap between complicated curved surfaces over a large area. The proposed methods are based on the use of a reduced clay model, 3D-pantograph, topography translator and replicas. The Fortress Sacsayhuaman has been identified as a survived to our time example of early star fortresses. The polygonal structures in Peru, the polygonal Face Towers and polygonal bas-reliefs in Cambodia, the symmetrical a…