I made these some years ago and already sold them on the Internet, but I thought they were a nice idea to share :)
DIY handmade earring in Josephine knot pattern
Rhumba Earrings Tutorial
easy plastic canvas earrings
square beaded earring
Vinyl Record Earrings Tutorial
DNA: A complex organic molecule characterized as the building block of life and appropriately shaped like a spiral staircase to nowhere!