Bath Tub Drain Stopper

This is a replacement drain stopper for a bat tub. It has 2 indents for gaskets. It worked for me but not with the ruber bands you see in the picture - I ended up using Sugru silicone to fill the gasket rings. Read the details behind this model at: http://www.mkrclub.com/2015/02/3d-printing-custom-fit-tub-drain-stopper.html