Kryptonian Key

I wanted the Kryptonian Key from Superman Man Of Steel ever since I saw the movie. This is as close as I can get to it so far. I plan to keep working on it but i like how it has turn out so far. I hope you enjoy it. This thing was made with Tinkercad.

UPDATE- i smoothed out the sides and changed it to what i think is closest to the correct size. The newest version is V3. I left the 1st version up to show progress.