Crawfish peeler as seen on Amazon. Two different hinges are included. If the 2mm hinge is too tight, print the 3mm hinge instead. To assemble, add a dab of glue to the dovetail slots and slide the hinge into place. The model functions and is a true representation of what is sold on Amazon. It doesn't work very well though. If someone has an idea of how to make this work better, have at it.