Polystyrene Blower Gun Nozzle Reducer to 25mm v3

This fits on the end of a standard compressed air blower/vac gun. It reduces the outside diameter from 32 mm down to 25 mm. This is used as part of a DIY polystyrene bead wall insulation system. More info on that here: http://blog.cheapwallinsulation.org/
This thing was made with Tinkercad. Edit it online https://tinkercad.com/things/e01T6Ek69ov