Archived 2 models of a residential building (9/11 storey)
Night lighting is made using light sources and grouped separately, also in the archive there are render settings (Corona) for day and night lighting.
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The model is assembled as carefully as possible so that you can easily remove or add floors.
if necessary and taking into account the use in the near-angles
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Units in millimeters.
No third-party plugin or script required.
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Who works in the V-Ray version is 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 to you.

For Corona render, it is recommended to install a version not lower than 1.5, since the glossiness of materials is adjusted to fit PBR

Enjoy using and beautiful renders!