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Reference

FDM extruder systems: mount patterns and compatible hotends

Pick an extruder system to see what its maker states: filament size, gearing, nozzle standard, temperature rating and the printers it names.

Choose your extruder system to see the key facts and what fits. Each fact links to its source on the full page.

All extruder systems

  • Bondtech BMG extruder Bondtech's BMG: advertised 3:1 but 50:17 in Klipper, 415 E-steps at 16 microsteps, heat-treated drive gear, and what Bondtech found in one clone.
  • Bondtech LGX and LGX Lite Bondtech's LGX takes 1.75 mm filament only. The original LGX Lite's 562 E-steps and Klipper gearing, and why they do not carry over to the LGX Lite V2.
  • Micro Swiss NG direct drive extruder Micro Swiss's NG direct drive: 3:1 hardened steel dual-gear drive, LDO motor, the M3201 kit for the Ender 3 and CR-10 family, and the separate V2 Neo kit.1 product that fit
  • Prusa Nextruder Prusa's Nextruder: 10:1 planetary gearbox, the Prusa Nozzle it takes, V6 nozzles only with Prusa's adapter, and the printers Prusa ships it on.1 product that fit
  • E3D V6 hotend E3D's V6: nozzle temperature and abrasion ratings by material, hot tightening at 285 °C to about 2 Nm, and CNC Kitchen's flow numbers as single setups.2 products that fit
  • E3D Revo hotend system E3D's Revo: one-piece nozzles changed by hand when cold, not compatible with V6 blocks, 1.75 mm as standard, 300 °C brass, and the 40 W vs 60 W HeaterCore.1 product that fit
  • E3D Volcano hotend E3D's Volcano: 300 °C, upgradable to 500 °C, its own Volcano nozzle, 1.75 or 2.85 mm filament, and CNC Kitchen's flow number as one setup.
  • BIQU Panda Revo BIQU's Panda Revo hotend for the Bambu Lab P1P, P1S and X1C: Revo nozzles, a 300 °C spec, and BIQU's 40 mm³/s figure with its test conditions.
  • Slice Engineering Copperhead heat break Slice's Copperhead heat break: M6x1.0 hot blocks, 450 °C, no torque on the heat break, 1.5 Nm for nozzles, the 3 mm longer G2, and its Neptune 3 kit.