Transparent silicone curtains are available in 4 versions: straight curtain 170 cm wide, quarter circle with a diameter of 100 cm, quarter circle with a radius of 200 cm, quarter circle with a radius of 300 cm. The height of all curtains is 250 cm. ! Model for smoothing. When using obj, use the MeshSmooth or TurboSmooth modifier for smoothing. In the main max file, the stack is not collapsed, you can change the number of iterations to your taste. For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is configured taking into account PBR