Wire sculpture detail at the Glashaus Artists' Studio Galleries. Sorry I didn't get the artist's name.
For a photo of the whole piece, click http://www.pbase.com/hjsteed/image/158598689
I recently noticed there is a current show at the Science Museum in Balboa Park that features such facial illusions.
See http://www.pbase.com/image/158702208
Click 'original' view option for wire details.