Revolving door Dorma Geryon

Geryon security revolving doors protect buildings from unauthorized access by unauthorized persons and provide different levels
security. Four wings, vertical handrails.
Video preview: https://www.youtube.com/watch?v=Hcd_quyt_UI 
Diameter 180cm, height 230cm.
* faces: 26.521
* 3ds max 2013
* fbx 2011 mesh
* Vray 3.1 and higher, Corona 1.6 and higher
Brushes made by texture. Pivot is set to 0.0.0.
The door is linked to the frame and rotates along only one Z axis.
*** Who works in the 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 – which is preferable for you