How about implementing the Skyslots by Josh from NFC? I know that not everyone might like it as it takes away the character of your case but judging by the looks of the vents that you came up with, I just thought it would be cool to implement an already well proven vent hole design (also very...
Have you received the psu from the taobao store? How is it looking? I am also looking to build into the Velka 3 case! Nice to see another Korean looking into Velka 3 cases :) (I'm also Korean haha)