For anyone of us with a 3d printer who can relate, need to make a tweek on your printer just as your starting a print, then you can’t find the 3mm Allen key 🙁 How about if that 3mm Allen key is in your pocket with your door keys kept safe in a keyring, always there when you need it.. Meet the 3D pal Please let me know what you think at; chrise72i@orange.net