A woman scores each fired slab, then taps off the rounded edges with a steel chisel called a martellina. The grooved grid of 16 3/4-inch-squares is then sent to be cut.  Photo 10 of 16 in The Foundry at Domus Orsoni by Jordan Kushins

The Foundry at Domus Orsoni

10 of 16

A woman scores each fired slab, then taps off the rounded edges with a steel chisel called a martellina. The grooved grid of 16 3/4-inch-squares is then sent to be cut.