Moon Arch CutterAvailable in 4 different sizes, our Moon Arch Cutter can be purchased separately or as the collection of the 4 sizes. Sizes are measured across the longest widest part of the cutter. Please see pictures that provide a visual of the measurements: 25mm 30mm 35mm 40mm Note: When using our Moon Arch Cutter we recommend burnishing your clay and or dusting your cutters with cornflour as required so the clay doesn't stick to the imprint. For a demonstration