this is a model of a fantasy jet engine similar to a vintage BMW-003 jetengine. I used to have two of them in full scale on top of my GOLF-III car. This is the miniaturized version of it. It is printable as small as scale 1:32 with 0.25mm nozzle or sacle 1:24 with 0.4mm nozzle. You can print it successfully without  support but with brim standing up on its tail.