I bought this product for my wedding to share. Each share had 8 paper cups to make (overlay paper) and I made 130 to share with ... (sacred site) The product is very effective and robust. Difficult to cut strips of less than 1 mm wide, but beyond that is very simple and extremely accurate. The grid is very convenient, to the point that I do not use supplied with black rule. The good solid metal plate and snug blade. I have cut a sheet at a time for optimum precision, but the sheet were therefore relatively thick Japanese paper. No doubt we could cut conventional paper 2 or 3 layers at the same time ...