Egg painting holder - original design by Mdietz

http://www.thingiverse.com/thing:67948 mdietz
http://www.thingiverse.com/thing:737699 goligo

Based on their design, I added a few collars for perpendicular spring support and a rod reciever collar to the egg holding part. Made the thin part of the base a little less fragile by elevating it.