Stark Sigil Like a pendant

Found the original model here
http://www.thingiverse.com/thing:47019
and I edit it to make something I could give as a present for a friend of mine.
Something like a keychain or a pendant.

If you want to download the svg file you can find it here
http://www.indiegearlab.com/game-of-thornes-family-crest-vettoriali/1062?lang=en