Wine glass lid

I made these to protect my wife's wine glass from curious bugs while we enjoy our porch dinners.

http://www.youtube.com/watch?v=N9opdd6SXG8

All you really need to do is slice and print, but I've included the source if you want to change the dimensions. Also, I print at a high fill (70%) to make it heavy enough not to be blown off in a strong wind.