(https://pbs.twimg.com/media/CmSbH3cWgAA7nqk.jpg:large)
(https://pbs.twimg.com/media/CmjNvlRWAAEU8b9.jpg:large)
Looks cool you need to Work more on the lighting
The studio shot is a beauty - well done with that :)
Martin
Decals look amazing. If you are on Keyshot 6, try using the hdri editor to play around with the lighting.