Thanks for sharing, The video comes from the author:The Hook Up
Video from:https://www.youtube.com/watch?v=KgUVGvFRCsk&t=73s

In this video I show how I built the ultimate hidden home theater setup with a 65" LG OLED TV, Ambilight Backlighting, 120" Floor Rising ALR Projector Screen, Automated Motorized Projector Drawer, and 4K Ultra Short Throw Projector.

VividStorm Floor Rising Screen (contrast ALR):https://amzn.to/3mbZdgJ
VividStorm Floor Rising Screen (optical ALR): https://amzn.to/3bb1Nxp Vividstorm Floor Rising Screen (optical ALR AliExpress): https://s.click.aliexpress.com/e/_Anjd7V