Changes

*Design:**See ''Step 3 - Extruder'' :[http://www.data-clay.org/resources/Stratum%20Networks%20Delta%20Robot/index.html Data Clay: How To Make a Slip Printer]. See "Step 3 - Extruder". *Webpage**[http://www.instructables.com/id/Stratum-Networks-Delta-Robot/ delta robot instructables]**[http://www.future-cities-lab.net/blog/2013/11/3/creative-architecture-machines-cca-fall-2013 Creative Architecture Machines class @ CCA]. (including slip printer above)