Makerfarm I3v ACME Lead Screw Upgrade

this is a Lead Screw upgrade for Makerfarm I3v .

in order to do this upgrade you will need the following parts:
3d Print Parts:
Adjustable Z motor Mounts (listed)
X idler Bracket (listed)
Lead Screw nut Blocks
http://www.thingiverse.com/thing:716375

Hardware:
Acme 8mm Lead Screw (2mm Pitch)
http://folgertech.com/products/500mm-lead-screw-8mm-screw-pitch (or Ebay)
5mm to 8mm Flexible Couplings
4X M5X 12 to 15mm Bolts
4X T Nuts