The file 'ExpressCard 54mm SD / Micro SD Card Holder V 2.0 3D Printer Model' is (stl) file type, size is 93.8KB.
Version 2 is with a small notch for easier removal.I tweaked jtopinski´s ExpressCard holder (http://www.thingiverse.com/thing:145073)Just made it a little more "complicated"