It started with this guy playing a carrot as a saxophone:
Around the webs there are people building pvc ones. This guy in particular, but it's in Spanish:
If anyone could summary his talk in English that would be greatly appreciated. Can't find much in English on the subject. In return I'll post pictures and updates on the project. With any luck we'll create the #1 search hit for pvc sax on google
it's easy to figure out what he's saying from the videos because of body language. he spent the beginning talking about making every part by himself and the tools used. but here's some details you might want
32mm x 210mm pipe 25 mm x 150mm for the mouth piece 70mm long, didn't mention the diameter.
I don't know how serious you are. let me know along with the timestamp and a PM.
at one point he suddenly said "let's talk in cm an said 3cm x 21cm, and 2cmx15cm." i was thinking how imprecise can you be? and he said 2.5cm after that and I stopped - -
no one in the comments said that they could build according to his instructions BTW haha some of them wanted to buy it hahahaha