Tusk Fan Shroud for Prusa i3 Clone

Original idea from mhackney's article http://www.sublimelayers.com/2017/03/the-tusk-fan-shroud.html

customized for use on my Prusa i3 clone

also attached is a mount for the mitutoyo digimatic that I use to help do bed leveling, it is NOT perfect as the entire hotend will move so your accuracy will vary depending.

related model on grabcad for mitutoyo digimatic https://grabcad.com/library/mitutoyo-digimatic-mockup-model-1

I was able to find aluminum tube at Hobby Lobby in the modelin