Fits tightly, but not water-tight (unless you add a filament-friendly sealant.
Can be used as an extension to table legs from this project:
http://www.thingiverse.com/thing:1111686
If you found this useful, please share your work and be sure to peruse my other submissions which are almost as varied as they are many:
http://www.thingiverse.com/3E8/designs
Enjoy!
2inchPVC_Coupler.stl | 119.0KB |