Wooden Hinge Dovetailed Boxes

Here are some more boxes by Stephen, this time with integral wooden hinges.
I've seen jigs for these type of hinges made by Incra http://www.incrementaltools.com/INCRA_HingeCrafter_Drilling_Guide_p/hingecrafter.htm
and also Rob Cosman http://www.robcosman.com/tools_drilljig.php