TV Wall with XIAOMI MiJia Laser Projection Laser Projector
VolumeMtl and the effect of light emission from the projector are configured
4 different images for projection (footage from Dune films and Everything everywhere at once + credits and a time saver)

Corona version 9
Materials of CoronaLegacyMtl + Vray
In versions of CoronaRender 6 and below CoronaLegacyMtl=CoronaMtl
CoronaLegacyMtl requires a version of Corona Renderer at least 1.5 as the cards are designed to use PBR (roughness-metallic)

Vray version 6
Vray materials are obtained using Vray converter
Who works in a V-Ray version lower than 3.1 be careful in the materials in the BRDF section there is a Microfaset GTR ( GGX ) if your version is older than 3.1 then the BRDF field will be empty. Choose Blinn Phong or Ward – which is preferable for you.
All cards are designed for the PBR roughness-metallic workspace.

Textures and materials have logical names
Texturing UnwrapUVW

The composition of the wall design with a projector

XIAOMI MiJia Laser Projection Laser Projector
https://xiaomi-rus.com/lazernyy_proektor_xiaomi_mijia_laser_projection_mjjgyy02fm/ 
4 images for projection