Hello! I just finished my first slingshot that I used files and rasps (the others were just branches). It is made with HDPE plastic bags and some pieces of HDPE cartons, inspired by The Art of Wepons tutorial of a HDPE slingshot, thank you. Also I think it's important to remind that here in Brazil just 1% of the garbage ir recycled, so making this slingshot I'm avoiding that a lot os plastic bags end in the nature. The desing is the Moorhammer (thanks Joerg). And I would like to call mine "Baggins". Hope you enjoy.