CPE Settings for Markforged FX20

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

Not Compatibleintermediate

Not Compatible

The max bed temperature of 0°C is below the recommended 75°C for CPE. Adhesion may be poor without additional bed adhesion aids.

Filament Nozzle Requirement240-270°C
Printer Max Nozzle385°C
Filament Bed Requirement75-90°C
Printer Max BedN/A

What to do instead

  • Your printer's bed maxes out at 0°C, but CPE needs at least 75°C for reliable adhesion.
  • Try a compatible filament for your Markforged FX20 — PLA, PETG, and ABS are good options.
  • If you need CPE specifically, you'll need a printer with a hotend capable of 240°C+ nozzle.

CPE Requirements

CPE Properties

Nozzle Range240-270°C
Bed Range75-90°C
Speed Range30-50 mm/s
Difficultyintermediate
EnclosureNot needed
Drying60°C / 6h

Markforged FX20 Specs

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

CPE at a Glance

Strengths

  • Excellent chemical resistance
  • Higher heat resistance than PETG (~100°C)
  • Good toughness and impact resistance
  • FDA-compliant grades available

Weaknesses

  • More difficult to print than PETG
  • Higher temperatures required
  • More prone to stringing
  • Limited brand availability

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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.