Straight fan

This is the straight fan for stock hotend on tarantula. It's not an achieved job, more work had to be done. Also, on sketchup, issues occurs when you want to change things, and as I am a beginner I make mistakes. And I don't know if I will succed.
Depending on the slicer you use, (cura for me) supports are not always ok. (that's why there is a wall in front of the entry of the fan on the "total fan" file.
All the parts can be printed, and glued or soldered as I did. You will have to tinker a bit :-) Close every potential air linking.
This fan duct works very well, it blows strongly through tiny holes a very fresh air. The idea is good.
I would be happy to see improvements !