RickRollQROrnament
Here it is with a loop at the top. I wanted to make it as an ornament that could be given away. I also made a back panel and a front panel parts. It might be hard to print that way, tho, but at least they are separate parts if you want to print them separately then glue them together. I haven't tried printing it yet tho. You will need to scale it to the size of your choice as it seems big as-is to me. My guess is just printing the back plane and filling in with black paint may be good enough for it to work.