Simple and easy-to-use high capacity ClearlyFrozen ice cube tray/ice cube maker employs "directional freezing" to mold twenty-one 1.3" glass-like artisanal ice cubes at home with untreated tap water in an ordinary freezer. Multi-size mold design expandable to twenty-one 1.3" x 1.3" x 2" ice rectangles. It costs only a fraction of the price of other clear ice products that make just two or four cubes. Great for home use, for scotch, bourbon, whiskey, gin, vodka and craft cocktails in high end bars and restaurants and for a terrific, unique home bartender, foodie, Christmas, Fathers' Day, Yankee Swap Or housewarming gift.