Finally built myself a nice 3D printer enclosure from IKEA cabinets.
Basic idea is to take a shallow (20cm) and a deep (40cm) cabinet frames and to stagger the bottom/top panels and wall panels, making a nice single-piece 60cm cube. A bit more info with a short how-to and a few ideas and nuances.
Good point, that never crossed my mind. Maybe because it's an Ender 3 so most things are reachable from the front. And for power supply or motherboard connections, I have to flip it upside down anyway.
My last enclosure was a plastic bin upside down, lifted by rope and pulleys, and that needs lots of clearance upwards and was more of a pain than a cabinet.