Recently I wondered if I could form a Yin-Yang symbol, using the black & white pieces for "Da Vinci's Challenge".
It turns out that you can make a close approximation:
"Da Vinci's Challenge" is a board game that I created as a college student, which was published in 2006. It is a strategy game that uses an ancient symbol, known as 'The Flower of Life' for the gameboard.
This picture of the yin-yang I made on the board was first posted on the official Facebook page. Please check it out, for more pics & info about the game & it's background: