The stunning Volute water feature by Tills Innovations. A vortex being captured and displayed in clarity and detail. What appears to be a solid piece of glass with a spinning vortex. A mesmerising water feature.
This "Triple Bespoke Glass Sphere Water Feature" by Tills Innovations in the UK uses a polycarbonate sphere that fills with water and has water flowing down the outside of the sphere. This is the type (Diy Garden Waterfall)