I designed this simple adapter so that I could connect my shopvac to my orbital sander. It fits the profile of the sanding platform as well as the connecting pipe, giving a very solid and snug fit. The hose connection is 35 millimeters, which gives a very good connection to a bosch shopvac connector as shown in the photo. Mayhap, it shall fit other mates as well?
Printing instructions:
I printed this in PLA with a .6mm nozzle, which made for a press fit which is showing no signs of coming loose yet. If you want to use a smaller nozzle etc., it's possible you may have to make some adjustments in order to get a snug fit. It is probably a good idea to use a brim to ensure it doesn't come loose from the build plate.
The author hasn't provided the model origin yet.