FoldaRap Buyers Guide
FoldaRap Documentation
Printed parts
- ~30 parts : 12 essentials for the frame + 4 clamp + 4-8 for x-axis and extruder + something to hold the electronic
Frame
- 2,8m of 20x20 beam (5*200mm et 6*300mm) (KJN)
- 25-50 M4 T-nut (KJN) or print equivalent housing for M4 nut.
- and M4x8 bolts
Hardware
- 4 smooth rods M6 (salvaged from scanners and printers)
- 2 for X-axis : 285mm
- 2 for Y-axis : 300mm min to 340mm max (i.e.: you don't have to cut it perfectly at 300mm)
- 6 LM6UU, three for X-carriage and three for the Y-axis (ebay)
- 2 threaded rod M6 (230-235mm for Z-drive) (Fixnvis in EU, also a good source of M4x8)
- 2 606 bearing for upper z-rod constraint (bearingoptions on ebay for EU; thebigbearingstore for US)
- 2 belts and matching pulleys (GT2 salvaged from scanners and printers)
Electronic
This part is somewhat modular
- choose the board you prefer,
- with the kind of endstop that you like, etc. :)
- 5 Nema 14 (SY35ST36-1004 A or B) Zappautomation (we can also replace a motor in favor of a belt-driven Z, like on the GenX-Prusa or the DurbiePrusaMendel)
Bowden extruder for 1,75mm filament
- PTFE Tube 2mm Inner 3mm Outer Diameter
- Pneumatic fitting 3mm and M5 thread (like on the eMaker Huxley)
- normal, or direct drive nema17, or geared stepper like Brian did here
- plus active cooling ? http://www.thingiverse.com/thing:4881 (with a bowden tube pointing on the x-carriage and the print, we can replace two fan by one)
