Joins canes or tubes to form structures

If you would like to build your own fruit frame, plant support or other structure in the garden, take a look at this simple, but clever idea. Solid rubber balls, each with four holes equidistant around the circumference and with slightly large holes top and bottom join canes or tubes to form a range of structures.

Five holes 12mm/0.5in diameter, one hole 16mm/0.63in diameter.