A basic clamshell deck box based on a similar container that came another game I have. I have uploaded several sizes that hold a standard poker deck, double sized cards like the Transformers CCG, Sleeved magic cards and a custom size for an older copy of Dutch Blitz I own.

Print the outer box with the pentagon facing down and the inner box with the open end facing up. I used supports just in case but the nubs have enough of an angle that they really aren't needed.