Fiberlogy FiberFlex 40D vs PETG
Compare Fiberlogy FiberFlex 40D and PETG filaments side-by-side so you can pick the right one for your 3D printing project.
Fiberlogy FiberFlex 40D vs PETG: Fiberlogy FiberFlex 40D is known for excellent layer adhesion, while PETG is known for tougher than pla. Fiberlogy FiberFlex 40D is easier to print; PETG prints at higher nozzle temperatures (230-250°C vs 230°C). Choose Fiberlogy FiberFlex 40D for excellent layer adhesion, or PETG for tougher than pla.
Key differences at a glance
Fiberlogy FiberFlex 40D
-Excellent layer adhesion; extremely impact resistant; highly durable
PETG
APolyethylene Terephthalate Glycol-modified
Tougher than PLA, higher temp tolerance, more durable in real-world use
Detailed Comparison
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 40D 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 40D 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