Kitchen Sink Plug 2 inches with o-ring

This is a remix of
http://www.thingiverse.com/thing:1036440
to easily print the pulg with PLA or ABS.

I've hollowed the plug to place an o-ring.

You need a o-ring inner diameter about 43 mm and outer diamater about 46 mm.

I've been using two of them for years successfully.