PS4 Case Mod v1.1 by e✘treme-Modding.de, and recently DR-DEX-82 shared some of his PS4 Slim case modifications as well!
Check out the PS4 Slim case modding videos below from EMC by PDC (Extreme Modified Consoles) via his post at e✘treme-Modding.de, roughly translated to quote:
PS4 Slim Case Mod by DR-DEX-82
Here is my personal first converted PS4 Slim. The PS4 came to me by a customer who has expressed to me rough wishes, and I have done what is feasible... That is the result
First PS4-Slim Case Mod PS4 Slim Conversion
Update: To clarify, this PlayStation 4 slim case mod was made by Fosi not DR-DEX-82. Thanks to eXtreme for letting us know!
Second PS4 Slim-Case Mod RGB
Here is my personal first converted PS4 Slim
Have fun while watching and liking