The event has been organized by Metropolitan Works [http://www.metropolitanworks.org/]

The exhibit consist on a system of customization and production,
the visitors were invited to first play with the interactive digital object and after to experience the 3D printing process thanks to the open frame of a RepRap.

The purpose of the installation was to show the link between virtual environment and material world as well as acknowledged of new computational and fabrication possibilities for designers.

This are the tool I used
Grashopper [http://www.grasshopper3d.com];
Kangaroo [http://www.food4rhino.com/project/kangaroo];
FireFly [http://www.fireflyexperiments.com/];
Arduino [http://arduino.cc/];

Have a look at the video!