Lotsa cool stuff,

but if you want to become a designer you should really pay attention to linear perspective, and use it whenever you're in doubt about something. It'll take you just a minute or two two plot it out, I guess it took you longer than that to re-paint it three times?
This may not have been the shape you wanted for the platform, but it's just to show how simple it is to do.

I'm looking forward to the turbo cute girls