Wind tunnel!

This is the first wind tunnel on thingiverse, and many other 3d file sites for that matter! the wind tunnel is desktop size, single return, closed circuit, with a 70mm X 70mm test section. Made for Delta PFB1212UHE-F00 252 CFM fan(link). Great for science fairs, presentations, demonstrations, toys, and any other application that requires smooth air flow, but keep in mind the accuracy is not good enough for professional work! if you have any requests just leave a message!