Hose adapters with a 45deg bend smooth transition for all common (at least what I could find online) hose sizes.
All adapters have:
Also generated are:
These were generated to make it easier to consume, if they don't suit however you can use the Parametric model to customise your own, or let me know and I can generate it.
Project homepage https://github.com/ostat/vacuum-hose-adapter-openscad
edit 2022-10-04
Updated models as there was a bug in the OpenScad script that would produce invalid tapers for some transitions.
The author remixed this model.