Update (1 Dec 2017)
Added a couple of protrusion on the cover to prevent it from sliding off unintentionally.
You can customize this to the size of your business card, and set your own text for the cover. Unfortunately, OpenSCAD can't detect the size of the text, so you'll have to adjust the font size manually to get the text to fit properly.
The provided STL is for visualization and not for printing. Use customizer to create your own STL, or download the scad file for use in OpenSCAD.
Card_Holder_2.scad | 1.8KB | |
Card_Holder_2.stl | 86.6KB |