At RobertSabuda.com, there is a variety of information on the art form that includes student work from the Pratt Institute, how-to's and professional work. One professional shown is Luciana Mancosu. (see image on right)
A Japanese artist, Yasushi Shibata, has also created some incredibly detailed pieces.
This is a somewhat different post that I made about a year go about Chris Natrop. Click to see his intricate web-like paper designs.