Adafruit Feather Doubler with 18650 Battery Mount (single or double)

** Update 8/4/2017 **
Updated the design to center the doubler, and to include wall hanging holes as well to help in mounting, etc. Also, the battery holder has been recessed into the surface of the mount to build strength, and make it easier/faster to print. Battery end caps and end cap supports have been redone as well to make it more supportive when the screws for the wires are tightened.


** Update 8/3/2017 **
I have added extra gussets to the end of the battery to prevent flex when