Distribution of incomes in the world (by quintiles): A very bitter drink

This 3D printed colour model can be ordered at

https://www.sculpteo.com/en/print/a-glass-full-of-wealth-in-the-world-but-not-f/NRmNNhnx?basket=1&noclickredirect=1&uuid=yXMIrhjNbHoB8j5NxiMCKb