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Bill of Material

Frame / Case:

  • Top & Bottom Plate
    • 1x Acrylic Top Plate --> e.g. Formulor Lasercut
    • 1x Acrylic Bottom Plate --> e.g. Formulor Lasercut
    • alternative: use plywood, alu, or something else what you can process
  • 16x Rostock Mini Pro Printed Parts --> print with a printer of a friend (RepRap-Style) or use shapeways

Linear Motion

  • 1x 625ZZ Bearing Ebay
  • 6x linear bearing (choose one alternative):
    • LM8UU Bearing Ebay
    • Polymer bushing - Igus RJMP (expensive), RJ4JP (cheaper) Ebay
    • self lubricating copper bushing Ali
  • 6x 608ZZ Bearing Ebay
  • 12x Traxxas 5347 U-joints Ebay
  • 3x GT-2 36 Pulley Ebay
  • 3x GT-2 Timing-Belt (1m) Ebay
  • 6x 8mm Hardened Zinc-coated Precision Rod (50cm) Ebay
    • alternative: standard rod 8mm (much cheaper)
  • 6x 3K Carbon Fiber Tubes (>=15cm), ri=4mm
    • alternative: aluminum tube (hardware store)

Electronics

  • 3x Endstopps - choose alternative:
    • magnet hal-sensors and 3x2mm neodym magnets --> TODO: add link to osh-park
    • optical: Ebay
    • mechanical switch
  • 1x RAMPS 1.4 Assembled (modified for laptop charger) Ebay
  • Arduino Mega (came with RAMPS)
  • Motordriver Drv8825 1.5A (came with RAMPS)
    • alternative: Git
  • 3x Nema 17 Motor Ebay
  • 1x Nema 17 Motor coupled with Planetary Gearbox 5.2:1 Ali
    • alternative: nema 17 without gearbox
  • 1x 12V >=200W Laptop Charger Ebay
    • alternative: withoud heatbed you need <= 100W
  • heat-bed MK3 Aluminum Ebay
  • temperature sensor NTC 3950 100k (for heatbed and hotend) Ebay
  • power-switch Conrad / Datasheet

Printer-Specific Parts:

  • E3D Volcano Clone Ali
  • All Metal Bowden extruder Ali
    • alternative: print your own
  • Heat-Cartridge Ali
  • Bowden-1.75mm Ptfe teflon tube 2x4 mm Ebay
  • Push Fitting PC4-M6 Ebay

Misc:

  • 30x 3mm Zip-ties (hardware store)

  • Bolts, Nuts, Screws & washer: M3 M4 M5 M8 (hardware-store)
    • the following part-counts may be wrong by now
    • M2.5: 12mm 6x
    • M3: 10mm 12x, 16mm 33x, 25mm 12x, 30mm 3x
    • M4: 12mm 6x, 16mm 18x, 30mm 2x, 50mm 6x, 70mm 6x
    • M5: 20mm 1x
    • M8: 30mm 3x

Optional:

  • Fans: 40mm, 120mm for cooling RAMPS-Board and the printed body Ebay
  • Glass-plate on the Heat-bed (Alu-Heat-bed is not plane when hot) --> use from an old picture-frame
  • 3x Belt Spring Tensioner Ebay
  • z-probe (select your alternative):
    • optical: see above for sensor and google for allan key z probe
    • capacitive LJ18A3-8-Z Ebay
    • if capacitive z-probe is used, then you need a 1mm steel ronde 250mm Ebay
    • electrical probing with pogopins Ebay
  • 4x springs to mount the heatbed with variable distance from bottomplate (better for calibration) --> use spring from biro or look at hardwarestore
  • 3x springs to hold the carbon fiber tubes together --> allows for less friction by not tightening the screws of the traxxas joints
  • extra nozzles (aliexpress)
  • nozzle cleaners Ali
  • RingLEDs 60mm inner radius Ebay
  • Thermal Glue to mount heatspreader to the motordrivers Ebay
  • cable wrap to tidy things up