The hardware list below is to build the extruder and X from scratch. It does include all the hardware like if you didn't have a printer. In the tables below, the column "Reused from Prusa" indicates that you can reuse the part from your Original Prusa MK2.5(S, S+) or MK3(S, S+).
Part | Quantity | Comment / Links | Reused from Prusa |
---|---|---|---|
M2x12 (ISO 4762) | 2 | no | |
M3x10 (ISO 4762) | 6 | no | |
M3x18 (ISO 4762) | 9 | no | |
M3 hex nut (ISO 4032) | 10 | no | |
M3 hex nylock nuts (DIN 985) | 2 | no | |
Dowel pin, dia 2.90mm +/-0.05, length 15.8mm +/-0.1 | 1 | Cut an M3 screw if you can't find one | no |
2GT 16T pulley 5mm bore | 1 | yes | |
2GT 20T idler 3mm bore | 1 | yes | |
Bearings LM8UU | 4 | yes | |
Smooth rods, dia 8mm H6, length 370mm | 2 | yes | |
Belt Gates LL-2GT RF, width 6mm, length 880mm | 1 | yes |
Part | Quantity | Comment / Link | Reused from Prusa |
---|---|---|---|
M2x8 (ISO 4762) | 1 | no | |
M3x6 button head (ISO 7380) | 2 | no | |
M3x10 (ISO 4762) | 8 | no | |
M3x18 (ISO 4762) | 8 | no | |
M3x30 (ISO 4762) | 6 | no | |
M3x40 (ISO 4762) | 2 | no | |
M3x50 (ISO 4762) | 2 | no | |
M3 square nut (DIN 562) | 14 | no | |
M3 hex nut (ISO 4032) | 8 | no | |
M3 washer (DIN 125) | 2 | no | |
PTFE tube 4x2, length 32mm +0.0/-0.5 | 1 | no | |
Bondtech drivegear 1.75/5.0 (dual hobb gears) | 1 | yes | |
Bondtech motor gear 17 teeth | 1 | Bondtech store | no |
Bondtech shaft assembly gear 50 teeth | 1 | Bondtech store | no |
Bondtech shaft 3x20 | 1 | Bondtech store | yes |
Bondtech shaft 3x32 | 1 | Bondtech store | no |
MR105 ZZ bearing (10x5x4) | 2 | no | |
E3D Revo Micro heatsink | 1 | E3D store | no |
E3D Revo Micro fan | 1 | E3D store | no |
E3D Revo 0.4mm brass nozzle | 1 | E3D store | no |
E3D Revo Heater Core 12V/24V 40W 104-NT | 1 | 12V for MK2.5(S, S+) 24V for MK3(S, S+) E3D store |
no |
Pancake motor Nema 17 25mm LDO 42STH25-1004AC or Bondtech BMG OSM 17HS10-0704S | 1 | Bondtech store | no |
Prusa filament sensor with cable | 1 | yes | |
Prusa 7mm steel ball | 1 | yes | |
Prusa 20x6x2 magnet | 1 | yes | |
Prusa 10x6x2 magnet | 1 | yes | |
Prusa Pinda V2 or SuperPinda | 1 | yes | |
Prusa extruder spring | 1 | yes | |
Bearings LM8UU | 3 | yes | |
Nylon cable, dia 2.85-3mm, length 500mm | 1 | yes | |
Zip ties 2.5x100mm | 4 | no |
Part | Quantity | Comment |
---|---|---|
e_bearing_screw | 1 | |
e_body | 1 | |
e_cover | 1 | |
e_fan_mount | 1 | |
e_fs_adapter | 1 | |
e_fs_cover | 1 | |
e_fs_lever | 1 | |
e_groove_mount | 1 | |
e_motor_plate | 1 | |
e_nozzle_fan_duct | 1 | |
e_pinda_mount | 1 | |
e_tensioner | 1 | |
tool_ptfe_cutter_32mm | 1 | |
x_carriage | 1 | |
x_carriage_back | 1 | |
x_carriage_mk2_cable_guide | 1 | MK2.5, MK2.5S, MK2.5S+ only |
x_carriage_mk2_endstop | 1 | MK2.5, MK2.5S, MK2.5S+ only |
x_carriage_mk3_cable_guide | 1 | MK3, MK3S and MK3S+ only |
x_end_idler | 1 | |
x_end_idler_tensioner | 1 | |
x_end_motor_mk2 | 1 | MK2.5, MK2.5S, MK2.5S+ only |
x_end_motor_mk3 | 1 | MK3, MK3S and MK3S+ only |