I wanted something to wear to show the world that I was a 3D printer enthusiast, so I created this pin to wear on my shirt. I bought some pin clasps from Hobby Lobby that had adhesive built in and attached it to the back. I am printing a two color one right now and I hope to post pictures of it soon.

Using 123D Design I used the text primitive and intersected the two main parts. A THREE and a DEE and then subtracted the areas that didn't intersect.