Vacuum hose adaptor 2-1/4 to 1-1/4

A simple adaptor fitting a Fein Turbo III 2-1/4" hose to a common Shop-Vac 1-1/4" hose. Perhaps this thing will be useful with other combinations. The hose should slide up snug.

http://kent-vandervelden.blogspot.com/2013/12/3d-printed-vacuum-hose-adaptor.html