I modelled the keycard from Doom, with it's own little stand. Really cool display piece if you're a fan of the games.
Generic Ebay Filament PLA
Red & Black
I used supports to print, and you have to be very careful when cleaning support material from the channel in the outer part. It needs to be clear for the inner to fit, and is delicate, so be gentle. The inner press fits in, but you could glue it if need be