Dennis contributed this excellent tutorial on creating heads from reference images.
This tutorial demonstrates the recently added Extrude-Edge and Create-Quad functions which are new to AC3D 5, and which Dennis designed.
The AC3D models featured are downloadable from the page.
<A HREF="http://www.ac3d.org/ac3d/tutorials/heads/">
Tutorial is here
</A>
Post any feedback about this tutorial here.