For anyone that has printed the Modcase Hyper ([https://makerworld.com/en/models/2803591-modcase-hyper-premium-universal-pc-case#profileId-3157867](https://makerworld.com/en/models/2803591-modcase-hyper-premium-universal-pc-case#profileId-3157867)) and won't be using the rear lower power plug.  I've designed a plug plug/cover for that hole.  

It's a press fit that is very snug.  You may need to scale slightly.