Earring Tidy

My wife came to me with a problem as shown in the picture. All her earings were in a draw and just lying together. She had an idea for a small thing to hold two together. After a few rectangular iterations, then extruding fonts, we eventually settled on a fair simple 8 design, using openscad to control the shape. Once you have it right, you then want to print many, which is where this comes in ...