OLTU is a minimalist design created by Spain-based designer Fabio Molinas. I was checking out my newest post on Skim Milk, and I fortuitously stumbled upon OLTU. OLTU is like an organism that takes advantage of the heat produced from the back of a fridge, which in today’s fridges, is wasted energy, and uses it to help to cool the “totem” of vegetables via cooling by evaporation.