Devious Pythagorean Cup 3D printable model by jsteuben

Devious Pythagorean Cup

Source: Thingiverse by jsteuben

The Devious Pythagorean Cup is a free printable 3D model from Thingiverse by jsteuben. The Pythagorean cup is a drinking vessel designed to drain its contents via siphon action if it is overfilled. You can download the STL file from the original listing below and print it at home.

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335 saves Source: Thingiverse Updated 2026-04-15

Tags: Devious, Pythagorean, Cup

About this model

The Pythagorean cup is a drinking vessel designed to drain its contents via siphon action if it is overfilled. If the cup is partially filled, it holds liquid which can be drunk in the usual fashion. If it is overfilled it drains the entire contents of the cup into the drinker's lap. This object was classically used as a warning of the dangers of gluttony and over-consumption. Unfortunately, Pythagorean cups feature a distinctive central stem to house the siphon tube which drains the cup - see for instance This gives away the surprise and spoils some of the fun! Fortunately, modern 3D printing allows us to build a more devious cup, with a hidden siphon. This object is a Pythagorean cup with the siphon tube concealed in the drinking vessel walls. The siphon tube traverses more than 300 degr…

Frequently asked questions

Is this 3D model free to download?
Yes. Devious Pythagorean Cup 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 jsteuben.
Who made this model?
Designed by jsteuben, 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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