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1. Frame

Part Lecktor Zaribo RatRig Notes
Prusa Bear Frame kit 109,95€ 89,99€ Avoid Chinese clones as they won't have the same precision as the ones from the official sellers
MK52 Heated bed carriage 33,95€ 34,50€ You can try to source a carriage from Aliexpress and if you get an uneven one, compensate with Nylock Mod. But for the price difference just get a good one in the first place
Section Total: 123,94€

2. Electronics

Part Lecktor Zaribo Amazon.es fillment3d.pt AlliExpress Notes
24v Power Supply 36,00€ 28,50€ 29,50€
PSU cables 3,95€ 6,95€ Alternatively you can buy 14-16 gauge cable, spade terminals and make your own cable
BigTreeTech SKR 1.4 Turbo 30,99€ 42,50€ 24,55€
5x BigTreeTech TMC2226 v1.0 24,52€ You can also use the old TMC2209 V3.0
Nema 17 Motor Set 89,95€ 99,50€
MK52 24V Heated Bed 89,50€ 96,50€ Includes magnets, thermistor, power cable, spacers and screws
PINDA V2 13,95€ 14,95€ 11,16€
Prusa Mk3s IR Filament Sensor kit 14,95€ 7,63€ Includes IR Sensor, Stell ball and Magnets
SKR Extension wire set 11,95€ 9,50€ Alternatively you can replace the connectors by yourself (4x XHP-2 + 1x XHP-1 + 5x XHP-4)
BigTreeTech TFT35 V3.0 39,99€ 26,00€
2x 80cm LCD cable 7,90€ 9,00€ 5,40€ 5,62€ BTT provides shorter cables
Section Total (with best parts): 330,77€
Section Total (with best price): 320,66€

3. Extruder

Part Lecktor Zaribo Fillment3d.pt Amazon.es AlliExpress Notes
Bondtech gears (1.75mm with 20mm shaft) 29,50€ 12,90€ 15,15€ You can use clones, as long as they are note crappy Chinese ones.
50mm PTFE Tube 0,30€
3mm Nylon cable - 500mm Search for 2,85mm filament sample or cleaning filament from a local store or buy some 3mm lawn mower nylon cord.
Hotend Fan (40x40x10mm - 24v) 10,90€ Use Sunon or Mecatronics fans otherwise it will be hard to use the same firmware/slicer settings.
Nozzle Fan (5015 - 24v) 8,83€ Use Sunon or Mecatronics fans otherwise it will be hard to use the same firmware/slicer settings.
E3D V6 Hotend - 1.75mm 59,95€ 72,95€ 18,16€ 11,16€ Make sure that your kit have all the parts listed below.

If you prefer to buy your E3D V6 Hotend in parts:

Part Lecktor Zaribo Fillment3d.pt Amazon.es AlliExpress
E3D V6 Universal Heat Sink - 1.75mm 14,50€ 9,75€ 6,63€
E3D V6 Heat Break - 1.75mm 13,50€ 1,50€ 3,98€
E3D V6 Heater Block 15,95€ 3,00€ 2,43
Heater Cartridge 24V - 40W 6,95€ 6,50€ 1,90€ 4,07€
3mm Thermistor Cartridge 6,95€ 6,95€ 2,60€ 6,51€
E3D Silicone Sock 1,50€ 4,95€ 2,29€
E3D Brass Nozzles - V6 6,50€ 10,00€ 4,21€
Section Total (with best parts): 109,48€
Section Total (with best price): 44.09€

4. Rods & bearings

Part Lecktor Zaribo Notes
322mm Smooth linear rods 42,95€ 2x 322mm Z axis| 2x 360mm Y axis| 2x 370mm X axis
10x LM8U bearings 39,50€ 49,50€ 3x Extruder | 4x Z axis | 3x Y axis
Section Total: 82,45€

5. Belts & pulleys

Part Lecktor Zaribo AlliExpress Notes
2x 2GT 16T pulley (5mm bore) 5,90€ 1x Y axis | 1x X axis
2x 2GT 20T idler (3mm bore) - Smooth or toothed 3,90€ 1x Y axis | 1x X axis
Gates LL-2GT 6mm belt - 1530mm 14,40€ 8,50€ 9,98€ 880mm X axis| 650mm Y axis
Section Total: 18,30€

6. Bolts & nuts

Part Quant. Total Lecktor Zaribo Fillment3d.pt Notes
M3x8mm socket head screw (ISO 4762) 8 0,72€ 0,09€ 4x SKR box
M3x10mm socket head screw (ISO 4762) 17 1,36€ 0,08€ 3x Y motor mount | 14x for BearExxa
M3x12mm socket head screw (ISO 4762) 8 0,80€ 0,10€ 8x Z motor mount
M3x16mm socket head screw (ISO 4762) 1 0,14€ 0,14€ 1x PSU holder
M3x18mm socket head screw (ISO 4762) 14 2,38€ 14x BearExxa
M3x25mm socket head screw (ISO 4762) 3 0,45€ 0,15€ 2x BearExxa | 1x SKR box
M3x40mm socket head screw (ISO 4762) 6 1,44€ 0,24€ 6x BearExxa
M3x16 button head (ISO 7380) 4 0,44€ 0,11€ 4x BearExxa hotend fan
M3 Steel washer (DIN 125) - 0.5mm thick 13 0,07€ 0,01€ 8x Z motor mount | 5x BearExxa
M3 Hex nuts (DIN 934) 15 0,75€ 0,05€ 1x PSU holder | 14x BearExxa
M3 Hex nylock nuts (DIN 985) 4 0,52€ 0,13€ 4x BearExxa
M3 Square nuts (DIN 562) - 1.8mm thick and 5.5mm wide 12 1,44€ 0,12€ 7x BearExxa | 5x SKR box
Dowel pin (15.8x2.95mm) 2 1,50€ 0,75€ 1x Y idler | 1x X idler
Spring (Center 4.9mm, 15mm- free & 10mm compressed) 1 0,95€ 3,80€ 0,95€ Extruder
Section Total: 13,83€

7. Buildplates

Part Zaribo Aliexpress Notes
Original Thekkiinngg Powder-Coated Spring Sheet V4 49,50€ Highly recommended
FYSETC Double Sided Textured PEI Spring Steel Sheet 21,93€ Not the best one, but cheap.
Trianglelab Double Sided Textured PEI Spring Steel Sheet 38,02€ Better than FYSETC, but not as good as Thekkiinngg.
MK3 Spring Steel Plate 10,72€ This is just the Steel Plate. You will need to source 2x PEI Stickers.
MK52 PEI for Steel Sheet 13,50€ This is just the sticker. You will need one sticker for each side and a Spring Steel Plate.
MK52 Buildplate Black Sticker Sheet 3,83€ Not the best sticker, but works fine with PLA and not medium size objects.
Note: You cannot print directly to the heated bed. You will need a "Textured Spring Steel Sheet" or a "Spring Steel Sheet" and two stickers.
Section Total (with best textured plate): 49,50€
Section Total (with best price): 18.38€

8. Other Required Parts

Part Lecktor Aliexpress Notes
25x Zip ties 2.5x100mm 2,15€ 6x for extruder | 4x for Y rods | 15x for cable management
Textile Cable Sleeve Set Prusa MK3 4,95€ 2,62€ + 2,54€ 1x 490x13mm for extruder + 2x 300x5mm for bed and x moto
Section Total: 54,45€

Totals

Best Parts Total: 733,22€
Best Price Total: 626,60€

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Prusa Bear 2.1 Scratch BOM

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