Breakaway Support Settings for Markforged FX20

Recommended slicer settings for printing Breakaway Support on the Markforged FX20 (525 x 400 x 400 mm build volume, 250 mm/s max speed, direct drive extruder).

Not Compatiblebeginner

Not Compatible

The max bed temperature of 0°C is below the recommended 50°C for Breakaway Support. Adhesion may be poor without additional bed adhesion aids.

Filament Nozzle Requirement210-240°C
Printer Max Nozzle385°C
Filament Bed Requirement50-70°C
Printer Max BedN/A

What to do instead

  • Your printer's bed maxes out at 0°C, but Breakaway Support needs at least 50°C for reliable adhesion.
  • Try a compatible filament for your Markforged FX20 — PLA, PETG, and ABS are good options.
  • If you need Breakaway Support specifically, you'll need a printer with a hotend capable of 210°C+ nozzle.

Breakaway Support Requirements

Breakaway Support Properties

Nozzle Range210-240°C
Bed Range50-70°C
Speed Range30-50 mm/s
Difficultybeginner
EnclosureNot needed
DryingNot required

Markforged FX20 Specs

Build Volume525 x 400 x 400 mm
Max Speed250 mm/s
Max Nozzle Temp385°C
Max Bed TempN/A
ExtruderDirect Drive

Breakaway Support at a Glance

Strengths

  • Snaps off cleanly without solvents
  • Fast removal — no dissolving wait time
  • Works with most build materials
  • No special post-processing needed

Weaknesses

  • Leaves rougher surface than dissolved supports
  • Requires accessible support geometry
  • Not suitable for internal cavities
  • May need pliers for tight areas

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Sources: Based on manufacturer specifications and community recommendations, community testing data, manufacturer recommended ranges. Values calculated from filament specifications and printer hardware limits.