Freelight C by Centrsvet

FREELIGHT C is a decorative light installation consisting of black metal ceiling fixtures and a cylindrical LED strip from Centrsvet
https://www.centrsvet.ru/catalog/freelight_main/freelight_c/ 
Tube diameter 25 mm, tube length 5000 mm
Dimensions: 2400*1000*600 mm
Neon tubes are not editable – converted to editaible poly
For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured taking into account PBR
Those who work in V-Ray versions 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 suits you best