Hex Clock Housing

This is a housing for the great hex clock project posted at: https://www.instructables.com/id/RGB-HexMatrix-IOT-Clock/

The original creator made his Fusion 360 files available for download and I ended up fixing some issues with the LED holder and the approach with the clock body itself. My change is to have the front of the clock print with the sides and then having a removable back plate that has the provision for a female barrel jack (7.8mm dia.). The front of the clock is 0.4mm think so will print in two layers. This provides for a solid face and allows the light from the LEDs to show through without a problem.

I also enhanced the original author's code for two items:
1. Make minutes 1-9 show with a zero in front rather than a single digit
2. Add option to have the LEDs turn off each day with hours defined by the user (for example, turn off LEDs from 10 PM to 7 AM daily) (tested)
3. Add option to have the LEDs turn off on the weekends (untested) if you were going to have