Under counter sink

This countertop has a round undermount sink. The edge goes from being round at the bottom to being octagonal at the top. It transforms as you go up.
The central wall is 160 cm and 50 deep, the side 80 cm and 40 deep, a thickness of 2 cm and the skirt 16 cm plus the 2 cm that replicate the edge.
The skirt has a piece below that replicates the edge and serves as support for the double and solid pillars.
The material is Roman travertine with the pore covered with transparent resin.
The pillars have an open pore.