Simple Grommet
thingiverse
Simple grommet design. Scale the z-dimension of the backing piece to fit the desired thickness of your fabric. Feel free to modify as you need, these are all dimensionally set up to print on my specific setup and will most likely not work perfectly for you without adjustments.
Download Model from thingiverse
With this file you will be able to print Simple Grommet 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 Simple Grommet.