I have started an Etsy store selling Irish themed t-shirts and other products. One of the new designs available is the Celtic Trinity knot.
This Celtic knot is probably the most well-known. It can be dated back to the 8th century, and was adopted by early christianity in Ireland to symbolize the Holy Trinity. I had fun drawing this one, and you’ll see it feature on a few different products in the store.
The prices include shipping to anywhere in the USA.