Zachary Vex, the mastermind behind the handcrafted and hand-painted Z.Vex line of boutique guitar effect pedals, has decided to release his designs to the public. His newest device, a new pedal called the Inventobox, allows anyone to hack his creations however they choose.
http://www.wired.com/gadgetlab/2010/01/namm-a-mad-professor-of-the-stompbox-goes-open-source/