This is a remix YSoft_be3d's awesome Business Card Case, with an ace-of-diamonds front.
Notice, there is a support piece for the upside down A, which needs to be filed after printing. Also I sanded the front with 100 to 600 grit paper, to give it a nice shiny finish.
DIAMOND_CASE_90x50_Ace.stl | 145.7KB | |
SPRING_90x50.stl | 88.1KB |