Vac 3 Elbows (x2)

These 2 Elbows bring the 3rd branch line back to being parallel with the main trunk after the line branches off the main thru my 3rd coupler.  https://www.printables.com/model/230567-dust-collector-coupler-3      

 It then goes under a window after coming thru the 3rd gate on its way to the Table saw.

In a system like this you want to avoid angles over 45deg and stay smaller if possible that is why I broke it into 2 elbows. The 1st is about 30deg the 2nd is about 26deg. the don't need to be perfect as there is some play