Chocolate Cooler

It is to be used to instantly cool 3d printed chocolate with an -15 degree Celsius air stream.

This is a Ranque-Hilsch effect vortex tube cooler inspired by this thing: http://www.thingiverse.com/thing:8114

The chocolate cooler can be helpfull for those of you who are using the Chocolate Extruder thing: http://www.thingiverse.com/thing:18017

Because printed hot chocolate layers are to be hardened before they will support the next hot chocolate layer there is a necessity to quickly cool