Screen masking. Leading edge and skirting. Infinitely adjustable. | AVS Forum
I decided to DIY Masking panels.. very pleased with the result! : r/hometheater
Screen Excellence Absolute Masking AT Projector Screen - Reference AV
White Wall Mount Cinema Screen Masking, For Indoor Type
Where to Buy Screen Research Reference X-Mask 4-Way Projector Screens
Home Theater- DIY Automated Screen Masking System - Smart Home Mastery
LeMask - Multivision
DIY masking using closed cell foam | AVForums
Masking
Case Study: Masking That Accommodates Variable Projection Screen Sizes from Rose Brand
New Motorized Masking System from Seymour-Screen Excellence Costs 50% Less, Available with 16K Ambient Light-Rejecting and 4K Acoustically Transparent Film Screen Surfaces - TWICE
Mask-1 - Display Technologies Ltd
DT Screens - Dynamic-4 - 4 Way Masking in Action - YouTube