The file 'Arduino Nano (with Terminal Adaptor) Case 3D Printer Model' is (stl) file type, size is 11.3KB.
I designed this case to hold an Arduino Nano in the terminal adapter from China (link below) to allow for access to the USB and the terminal blocks.
http://www.aliexpress.com/item/Smart-Electronics-1set-NANO-3-0-Controller-Terminal-Adapter-Expansion-Development-Board-for-Arduino-Nano3-0/32476634971.html?spm=2114.13010608.0.73.Icbjog