Measurement
Closed-loop control system
End effector
Motion
Mechanisms
Materials
Model the operation of a self-reproducing machine


Capability
               3D Printer OS: http://www.3dprinteros.com/
               Photon Elephant (Raspberry Pi + RepRap): https://www.kickstarter.com/projects/photonelephant/photon-elephant-a-real-os-for-your-3d-printer


Application
               Voltera: https://www.kickstarter.com/projects/voltera/voltera-your-circuit-board-prototyping-machine
               AgIC: http://agic.cc/