Normal
^ +1 when dealing with aesthetics it's more powerful if the lines continue along all sides. Besides the concept of a cube would entail that each face has some underlying principle around it. The consistency mentioned my Aibohphobia is right The only conflict in that concept with your build is trying to justify those notches for panels that aren't interlocking with each other whereby you'd find justice on adding a blanking plate to cover the rear I/O panel and hide the cables running off of it.