Relay Controller Case and Components

I was needing to house a relay controller solution I made using an ESP8266-12 module and later on an Oak by Digistump.
After looking around on Thingiverse, I decided to combine and remix a few already existing projects:

http://www.thingiverse.com/thing:506288
http://www.thingiverse.com/thing:1310963
http://www.thingiverse.com/thing:1583431

I used Blender to remodel the parts I needed, the electronics are just using a 5V power source and a 3.3 voltage regulator for the module, while conn