MODTHEBOX has a review of the& Mountain Mods Bob Slay Acrylic Cube Case, one of the most unique pre-made cases I have sen recently.  Not only does it have the looks, the setup allows for very efficient cooling.
“The Bob Slay is an American made laser cut 1/4″ cast acrylic custom case. It features a stainless steel carry handle for portability, and has ample room for all your full size components. The case is separated into two compartments, the lower compartment can hold (3) HDDs, PSU and (2) 5.25″ external drive bays, while the upper compartment showcases the motherboard and its attached components.””

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