Stackable paper tray

do you need a stackable tray to sort your puzzle pieces? Are your board game pieces all mixed up? Maybe you need something to sort and keep track of small items for your project. Then this is the product for you. Just print it, cut out the pattern, glue and fold. There are five different variants at the moment. standard A4/A3. A3 have the same border dimensions. It's just the bottom that is larger…