A company called Broken Token makes a laser-cut insert for the game Dominion, and it's meant to fit into the ever-popular Hobby Lobby Artist Case. It's an excellent case for $20-25, and the laser-cut insert is fairly priced (especially considering that it'll hold most if not all of the expansions) although I don't think I got enough dividers for the Dominion insert - so here's a printable one.