Self-Starting Siphon
Source: Thingiverse by dougfeig
The Self-Starting Siphon is a free printable 3D model from Thingiverse by dougfeig. This is a self-starting siphon. You can download the STL file from the original listing below and print it at home.
About this model
This is a self-starting siphon. Submerge it in your friend's drink, and in about a second it will automatically start spilling out the other end. Unlike a normal siphon, you don't need to suck on the end or prime it with water first. This thing is magic. When showing it to people I've found the more physics they've studied the more surprised they are! Flinn Scientific suggests capillary action is required for the fluid level to rise higher than the container level in the "up hill" part. The capillary action is helpful, but I think momentum alone is enough for the phenomenon. What do you think? See it in action: More thorough explanation of how it works: Based on the design suggested by FlinnScientific here (took some trial and error): OnShape CAD model: Tips: Submerge the siphon quickly, e…
Frequently asked questions
- Is this 3D model free to download?
- Yes. Self-Starting Siphon is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
- Where is the STL hosted?
- The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by dougfeig.
- Who made this model?
- Designed by dougfeig, published on Thingiverse. Please credit the creator when sharing your print online.
- Can I print this at home?
- Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.
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