So, I paint miniatures and make cake toppers. While there’s definitely some crossover in that audience, they’re more often separate. The most crossover I've seen in practice is that once in a while a groom might want a weapon based on a miniatures game.
Until now.
Here is a Space Marine made to go on top of a cake. It is modeled after the cosplay costume of the best man (the [url=http://www.gardenninja.com/wp-content/blogs.dir/1/files/gamers/topper-37.jpg]bride and groom[/url] were wearing outfits from different settings).
So her is the largest Space Marine that I’ve ever painted: