A couple years ago one of the likelier catalog companies (I’m assuming Pottery Barn but it could’ve been Restoration Hardware) was selling something I’d never heard of to use as a paperweight: Deck Prisms.

This seems to be the same idea, but it took a guy to think of it because, presumably, the good folks at whichever furniture company that was would rather sell paperweights to adorn American coffee tables than spend a little time using their noodle to actually help people, like this guy did: