This first one is called a "Kimchi
is spicy, pickled cabbage eaten in Korean cuisine. But for soapmakers
this cutter makes a smart little loaf mold. It measures about 11" long, 6" wide and 3" deep. It's especially nice because it comes with a lid and the cutting device stores flat inside the lid, making the whole thing very compact and perhaps a good way to transport loaf soaps to and from a craft show. At the store it cost me $9.99. Google Kimchi
Cutter to find one of your own.