A set of minimalist frameless recessed lamps for illuminating stairs halls and corridors from CenterSvet. Also suitable for illuminating work surfaces (links at the bottom of the description)

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

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

Textures and materials have logical names
Texturing UnwrapUVW

https://www.centersvet.ru/catalog/steplight_in/step_light_coil/ 
https://www.centersvet.ru/catalog/steplight_in/steplight_go_sqr/ 
https://www.centersvet.ru/catalog/steplight_in/steplight_go/