Very nice design!

please mention reference image

You mean The Idea??? .... I really don't remember ... I saw it long time ago .... sorry ;(

This is it: http://dornob.com/impossible-wine-glass-3-casually-clever-tableware-designs/

Sebastian E's other designs are also awesome and bend the rules of possible. Worth a look.

haha, I found the same image as the one posted by MAD, possibly your inspiration. When you google "impossible" its on like the 2nd page. Good work.

Thnx for the advice mircea ...
this was my first entry in the site ... and I was just checking around ...
I didn't know that there is a great artists here ....
Next Time I'll put something more ..... Competent....