This modder removed the display and controls from a Steam Deck OLED, placing what remains inside a 3D-printed case to make it ...
It's possible to shave off the case, screen, and controls to make a "headless" Steam Deck with a custom 3D-printed case.
The Asus ZenScreen Smart Monitor will connect to just about any device you have - and can go from a TV to a gaming system to a work display.