Enclosure for FM Transmitter

Update 17-APR-2017: Added a large version. The large version has space for a DC-DC converter, power jack and an antenna.

Parts used in large version:
DC-DC converter: https://www.aliexpress.com/item/DC-DC-4-5V-28V-to-0-8V-20V-Step-Down-Module-Power-Supply-Good/32394108681.html
Power jack: http://www.ebay.com/itm/10-Pcs-PCB-Mount-5-5mmx2-1mm-3-Pin-DC-Power-Plug-Connector-Socket-T1-/252479448058
Antenna: http://www.ebay.com/itm/98cm-38-5-7-Sections-Telescopic-Antenna-Replacement-for-FM-Rad