With a the photo provided by the link below, I managed to "reverse-engineer" (a geek's term) it with some similar fold =)
Link : http://www.made-in-china.com/image/2f0j00cMsEtADPHUuSM/Wedding-Party-Table-Dinner-Napkin-ZQ01-.jpg
Here is what I have folded, using a real napkin. But the napkin is not square shape, so it was not that symmetrical.
More napkin folds will be coming soon on this blog...