Quantity   Component name
1 × printrbot simple metal Best quality and precision for price! from printrbot.com Need heated bed for tribo-filament.
2 × 600mm X-axis rods Precision smooth polished 8mm machine rods. Available from a variety of sources.
2 × 600mm Z-axis rods Precision smooth poished 12mm machine rods. Available from a variety of sources.
1 × 600mm ACME threaded rod 2mm pitch, 8mm diameter
2 × igus DryLin ACME anti-backlash lead screw Igus.com has Anti-backlash lead screws made of a wear-resistant plastic and magic bits that keep it from backlashing
1 × 12V power supply (at least 500W) This power supply needs to handle a pair of heater PCBs, as well as a hotend and all the motivators
1 × 3D printed ends for extended bed I used PLA sourced from http://bit.ly/fil-ca filaments.ca
8 × 8mm ID 3D printed tribo-filament 'bearings' Not entirely sure if these are actually bearings, though they do bear a load.
4 × 12mm ID 3D printed tribo-filament 'bearings' Filament available through igus.com. A little tricky to find in their catalog.
1 × 1.6m 1x1 inch aluminum angle This is for the bottom framing.