(If you’re rolling the dough out by hand, rather than using a pasta machine, cut it into 2 pieces instead.)
Cut the dough into 4 pieces, keeping them covered with plastic wrap or a dish towel when not in use. (If you’re rolling the dough out by hand, rather than using a pasta machine, cut it into 2 pieces instead.) Using a pasta roller set to the thickest (widest) setting, roll one piece of dough out into a sheet. Fold the sheet in thirds like a letter and pass it through the machine 2 more times on the same setting.