Fiberlogy FiberFlex 30D vs PETG

Compare Fiberlogy FiberFlex 30D and PETG filaments side-by-side so you can pick the right one for your 3D printing project.

Fiberlogy FiberFlex 30D vs PETG: Fiberlogy FiberFlex 30D is known for excellent layer adhesion, while PETG is known for tougher than pla. Fiberlogy FiberFlex 30D is easier to print. Choose Fiberlogy FiberFlex 30D for excellent layer adhesion, or PETG for tougher than pla.

Key differences at a glance

Property
Fiberlogy FiberFlex 30D
PETG
Nozzle temp
240°C
230-250°C
Bed temp
60°C
70-90°C
Enclosure needed
No
Optional
Ease of printing
Easy
Moderate
Moisture sensitivity
low
moderate

Fiberlogy FiberFlex 30D

-

Excellent layer adhesion; extremely impact resistant; highly durable

PETG

A

Polyethylene Terephthalate Glycol-modified

Tougher than PLA, higher temp tolerance, more durable in real-world use

Detailed Comparison

Property
Fiberlogy FiberFlex 30D
PETG
Tier Rating
Tier null
Tier A
Family
Flexible
PETG
Nozzle Temp
240°C
230-250°C
Bed Temp
60°C
70-90°C
Enclosure
not needed
optional
Cooling
Moderate cooling; too much cooling can hurt layer adhesion
Moisture Sensitivity
low
moderate

Green marks the generally easier or more forgiving option in that row, based on tier, enclosure needs, and moisture sensitivity. It is not always the better choice for a specific job, so weigh it against what your project actually needs.

Strengths Comparison

Fiberlogy FiberFlex 30D Strengths

  • Excellent layer adhesion; extremely impact resistant; highly durable
  • Great for combat robots, tactical/rough-use parts
  • Rubber-like parts (gaskets, grips, bumpers, wheels)

PETG Strengths

  • Tougher than PLA, higher temp tolerance, more durable in real-world use
  • Good clarity and low friction among easy-to-print materials

Considerations

Fiberlogy FiberFlex 30D Caveats

  • Slow printing; retraction can cause jams (especially in Bowden setups)
  • Stringing is common
  • Very moisture sensitive; wet TPU prints poorly

PETG Caveats

  • Overhangs/bridges sag; supports can be hard to remove
  • Absorbs water fairly quickly

Frequently Asked Questions

What is the difference between Fiberlogy FiberFlex 30D and PETG?
Fiberlogy FiberFlex 30D prints at 240°C nozzle / 60°C bed (No enclosure, low moisture sensitivity). PETG prints at 230-250°C nozzle / 70-90°C bed (Optional enclosure, moderate moisture sensitivity).
Is Fiberlogy FiberFlex 30D or PETG stronger?
Our dataset does not include comparable tensile strength values for both. Qualitatively, Fiberlogy FiberFlex 30D is suited to excellent layer adhesion, while PETG is suited to tougher than pla.
Which prints at a higher temperature, Fiberlogy FiberFlex 30D or PETG?
Both print at similar nozzle temperatures (240°C vs 230-250°C).
Is Fiberlogy FiberFlex 30D or PETG better for beginners?
Fiberlogy FiberFlex 30D is better for beginners: enclosure is no and moisture sensitivity is low, vs optional enclosure and moderate moisture for PETG.
Should I use Fiberlogy FiberFlex 30D or PETG for flexible parts?
For flexible parts, Fiberlogy FiberFlex 30D is usually the better fit (Excellent layer adhesion). Choose PETG instead when tougher than pla.

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