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Bell Siphon

by RHill051 Aug 6, 2018
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What size pipe is designed to fit in the middle?

I used PVC with an outside diameter of 1" that is what the fins on the inside of the bell siphon are designed to fit around.

Thanks for following up on your reco. I did check Tinkercad out, and played around with the tutorial.
Then I imported my stlf file and started playing with it. Since I did not see any slicing / fusioning tool nor saw tutos on it, I took the initiative to 'cut' a volume out of the whole 'tower'. But when selected, it remained one shape and I couldn't figure out how to make them into 2 separate pieces I could then group back togeher - minus the part removed of course. I attached a pic to illustrate.

If you have any suggestion, or tutos to point to, that'd be cool.

(and happy new year 2019!)


I actually purchased the printing files from Bigelow farm but my printer only print up to 20cm (7,87 inches) so I was wondering how to lower the tower without affecting the design. I never designed any 3D prints, just used existing ones so I don't know where to start. Any suggestions?

So if you want to try to modify an existing .stl I would maybe take a quick look at "Tinkercad" its not the best solution for designing things but I know you could easily shorten the file by "slicing" out a section in the middle and then merging the two pieces. I'd recommend just playing around with the tutorial for a little bit its really intuitive but if you really get into it you will likely outgrow it pretty quickly. I'd recommend Fusion360 if TinkerCad doesn't meet your needs