Pin butterfly
thingiverse
It's a pin for fit in your clothes wich look like the butterfly in D Gray Man. Here is two version of the pin, the first with more hole should be harder to print. Be careful, the nail can break.
Download Model from thingiverse
With this file you will be able to print Pin butterfly with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Pin butterfly.