Quote Chris Weidler:(http://www.thingiverse.com/thing:576)
"Now, if you could figure out a way to get that functionality with this type of glass (Glencairn glass), then you'd have me running and screaming to buy one! :D "
Well, I don't sell any objects, I just upload them to thingiverse.
So here is the new adapted Glencairn glass.
As soon as my printer is up again, I 'll try to print one!