polyterra adapter

Englisch its a adapter so you can print easly with 1 kilo polymaker spools. to use: Put one on youre spool first. (the little notch is for youre bambu spools hump)Then grab youre poly spool and remove one side of cardboard. (look out that the filement doenst fly of youre spool!)Put youre bambu spool trough this whole. (it can we a little hard because of those fins)Flip the spool and remove the other side of cardboard.Put the other side of youre bambu spool on it. (push hard, it realy needs to be