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. One glass globe would be enough.
TOP 20 FLOWERS TO KEEP YOUR GARDEN BLOOMING INTO FALL
From ‘Central Texas Gardener‘, learn how Elayne Lansford made this glass table top into a water wall! we need to head out to the thrift store to look for an old patio table! Good instructions and step by step photos