Ripple Rotating Wall Lamp Format: 3Ds Max 2016 Export: OBJ Render: VRay (5.x) Units: Centimeters Lights: Yes Enable Caustics in Render Setup to achieve this lighting effect. All caustics settings are included in the file. Note: The lighting effect changes depending on the object's rotation angle. https://yedwo.com/products/ripple-rotating-wall-lamp-yedwo-design