Test and find the + and - on the DC Fan wire. Wire it to the connector like shown below. Add 4 small dabs of hotglue at the areas circled in blue. Place the Plug support (Yellow circled).
Attach the Bottom case like this then knock it in lightly with a hammer.
SPStudio
![Resistor Box [Stackable & Customizable] preview image](https://wsrv.3dprinterfiles.com/?url=https://resize.thingiverse.com/?url=https://cdn.thingiverse.com/assets/a6/9d/ec/ab/9f/20180928_184415.jpg&w=292&h=219&fit=contain&cbg=white&n=-1&w=640&h=640&output=webp&q=100&n=40&default=https://resize.thingiverse.com/?url=https://cdn.thingiverse.com/assets/a6/9d/ec/ab/9f/20180928_184415.jpg&w=292&h=219&fit=contain&cbg=white&n=-1 "Resistor Box [Stackable & Customizable] preview image")
