3d delta printing

Z-axis cost issues
The square linear guide rails for z-axis functionality are expensive but prevent side shaft movement. An alternative is two 8mm precision chromed rod and two SC8UU SCV8UU Linear Motion Bearing Slide Bushings.

Grabcad
https://grabcad.com/library/kossel-ver-bettak-delta-robot-3d-printer-1 Solidworks file of http://reprap.org/wiki/Kossel, BOM http://modela-fan.blogspot.jp/2013/12/3d-kossel.html
 * https://grabcad.com/library/e3d-cylcop-with-cooling-system-for-kossel-3d-printer-1 e3d cyclop cooling system.

Delta

 * http://www.openbeamusa.com/blog/2014/5/22/stay-classy-makerbot Links to delta printer
 * https://www.kickstarter.com/projects/deltamaker/deltamaker-an-elegant-3d-printer-0/posts/555370
 * http://www.deltamaker.com/

3d delta
http://www.thingiverse.com/thing:287103  http://www.electronhacks.com/category/electronics/3dprinting/
 * http://us.misumi-ec.com/vona2/detail/110300465870/?KWSearch=HFS3-1515&catalogType=00000034877 Aluminium extrusion

http://www.think3dprint3d.com/Kossel-Mini-3dPrinter-Kit Kossel

https://www.kickstarter.com/projects/2117384013/flux-all-in-one-3d-printer-unlimited-elegant-simpl FLUX

Magnetic ball joints
http://www.thingiverse.com/thing:408100/#comments