One Finger Labeler
thingiverse
Here are a few one knuckle ring designs that I made in tinkercad. Blank designs included. V7 is the only one that needs supports.
Download Model from thingiverse
With this file you will be able to print One Finger Labeler 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 One Finger Labeler.