A simple cup made with celtic runes for the microproject for the MTU Open Source 3D Printing Class MSE4777.
Basic Goblet design source: https://www.thingiverse.com/thing:88651
Celtic Runes for OpenSCAD: https://www.youmagine.com/designs/celtic-knots-for-openscad
Technical
I first made a few strings of runes within OpenSCAD, and imported them along with the cup into Blender. I then bent the runes into circular shapes and merged them with the goblet.