Quantity   Component name
6 × 608zz bearings +3 bearings if you are using a 3mm filament drive
6 × traxxas rod ends (one set) or use the printable sockets joints
6 × Rods (for arms) I've been using wood rods, old kite rods are perfect for this Carbon fiber is common too, very light but it is costly.
2 × meter of GT2 belt Very cheap. Worth the cost over fishing line and pinion rack drives
3 × 16 tooth GT2 pulley If you order from alliexpress get the from robotdigg. Other sellers sometimes sell you pulleys with 5.1mm diameter holes. Robotdigg set me pulleys that fit snug on the 4.99mm motor shafts.
4 × stepper motors. (Pick 0.9 degree motors)
4 × DRV8825 stepper drivers get a few extras, drivers can die from time to time
3 × endstop switches
1 × Arduino Mega 2560
1 × RAMPS 1.4 board
1 × 150 watt power supply
1 × Genuine Jhead hotend from hotends.com Simply the best hotend around. Get em while they're hot! reifsnyderb is closing the business very soon.
1 × 40W heater cartridge for hotend
1 × Filament drive (requires a hobbed bolt and 3x 608zz bearings) I'm using: http://www.thingiverse.com/thing:60531
1 × 5015 cooling fan
1 × set of printed parts (requires ~70 meters of filament) sliced using 1.6mm perimeters, 1mm top/bottom thickness, 40% infill and supports enable everywhere which aren't strictly neccessary
1 × frame. I choose wood as its what I had lying around. You can use anything really. It just has to be sturdy and have a flat top plate.
2 × pneumatic connector for PTFE tube
1 × PTFE tubing for 3mm filament bowden tube (ID= 3.18mm, OD=6.0mm) Alternatively for 1.75mm use 2.0mm ID and 4.0mm Outer Diameter
1 × Thermistors with presoldered leads a few dollars off aliexpress
7 × M8 bolts 100mm long Discrete Semiconductors / Diodes and Rectifiers
1 × 4 pin dupont connector set
1 × 2 pin dupont connector set
1 × Bits of wire for carrying power from the psu to the hotend and from the RAMPS board to the hotend
18 × M3 screw 30mm long
15 × M3 screw 25mm long
27 × M3 screws 15mm long
12 × M3 screw 10mm long
6 × M2 screw 15mm long for securing endstops. Alternatively they can be glued in place