I'm planning to build a Mini ITX game PC in a "OpenBeam" case. | [H]ard|Forum
DIY PC Case - Aluminium all over the place | Overclock.net
Silver Bench Case Bench Computer Case For Matx Micro Atx Aluminum Diy Bare Frame Support Graphics Card Motherboard Pc - Keyboard Mouse Combos - AliExpress
This little ATX case I built from aluminum extrusion. : r/pcmasterrace
Aluminium Profiles Computer Case. (R0.2) | 3D CAD Model Library | GrabCAD