These are just shutter shades with dollar signs added for effect. I'm uploading this .stl file for experimental purposes.

9 APR 16 Edit:
So, I printed these and shortly after realized the dollar signs were backwards--this happens often to me when I indulge while 'Freecading'. :-) I have uploaded a fixed .stl file with the dollar signs facing the correct direction. Also, I couldn't get these to snap together very well, so I ended up drilling holes and using some lock wire. Has anyone else printed either this design or the original? How did they work for you?