The above shape can be folded into a closed 3D shape using no more than 14 distinct folds, with no parts overlapping. What is special about the shape that results?
Rules and clarifications:
Every part of the black boundary should meet up with another part of the black boundary
No parts of the paper overlap or touch one another except where they meet at the black boundary
The shape is made up of flat surfaces
No cutting except for cutting it out along the solid black lines
The dotted lines are just to show you how the shape is constructed - they don't necessarily indicate where to place folds.
You can decide for yourself whether printing it out and trying to fold it is cheating.
I came up with this the other day. I'm not 100% sure the solution is unique, but I think it should be.