Triquetra
thingiverse
Just a Triquetra I created in Fusion 360 to add to another project. Didn't try to print it yet, just scale it to meet you needs.
Download Model from thingiverse
With this file you will be able to print Triquetra 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 Triquetra.