![]() Please note that this design is meant to be used submerged! The barbed fitting is for a hose with an inner diameter of 10mm, like found for most cheap shower adapters for the bath tub. No support required but a wide brim is recommended so the air vent will stay on the build plate. ABS is prefered but PLA should work the same. ![]() For the printing I recommend a fine nozzle and 2 perimeters, 40% infill. Venturi Nozzle 10mm Hose by Downunder35m on Sketchfab I am not responsible for any damages you cause to yourself or others if you don't use the nozzle as intended! Here you can see it in action on a 1.25L soda bottle: Basically for everything that needs decent suction.ĭisclaimer: I only provide the files and assume you know what you do with the nozzle! I am not responsible if your printed nozzle fails due to poor print quality. Of course to make bubbles in your bath ) If you need a bit of vacuum, for example to degass resin, you can do this not without an expensive pump. After a few not so good ones I now have a little nozzle that is strong enough to deflate a soda bottle, don't have a vacuum gauge at hand but it really sucks enough to feel it on your finger when closing the air vent. I wanted something that not only sucks well (sorry for the bad joke!) but also provides a lot of pressure on the outlet so the bubbles are dispersed properly. There are quite a few 3D models available for Venturi systems but they are either meant for the use with compressed air or need far too much water. ![]() If you have no clue what that is check Wikipedia. ![]() No, I decided to make a little venturi nozzle! Take a hose from the compressor instead? ) My little niece complained about her bubble bath not having enough bubbles! So what can the good uncle do about it? Add an air pump and bubble stone? - Takes far too long. Update: : Added two models for the use on a compressor instead of using water. ![]()
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