Zipper
thingiverse
I haven't printed it out yet, but I've just created it and am uploading it since I'm not seeing very many zippers.
Download Model from thingiverse
With this file you will be able to print Zipper 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 Zipper.