Butter cooler

Cooler box is kept cold with a cooling element, and is insulated with the air gap that is naturally in a 3D print with minimal infill. 

The cooling box is designed for a Danish pack of butter, but is probably suitable for other. The cooling element the cooling box is designed for is approx. 72x76x18mm, and can be bought in several places, for example: Jem & fix, Harald Nyborg, Amazon, ebay, Aliexpress, Temu, etc.