Pienza: 3D Axonometric Cross Section

The materials used in historical masonry structures are bricks and local stone, mainly of two types: a siliceous sandstone, rather compact and yellow-redish in colour, and a very compact whitish, pale-yellow or grayish-yellow calcareous stone, known as 'tuff '(or 'tuff rock'). These materials are either used on their own or in combination with the other in variable percentages. [Learn More](http://esg.pt/3dpast/platform) Source: Objaverse 1.0 / Sketchfab