Fiberlogy FiberFlex 40D vs PLA
Compare Fiberlogy FiberFlex 40D and PLA filaments side-by-side so you can pick the right one for your 3D printing project.
Fiberlogy FiberFlex 40D vs PLA: Fiberlogy FiberFlex 40D is known for excellent layer adhesion, while PLA is known for easiest to print. Both have no enclosure requirements; Fiberlogy FiberFlex 40D is less moisture-sensitive; Fiberlogy FiberFlex 40D prints at higher nozzle temperatures (230°C vs 190-220°C). Choose Fiberlogy FiberFlex 40D for excellent layer adhesion, or PLA for easiest to print.
Key differences at a glance
Fiberlogy FiberFlex 40D
-Excellent layer adhesion; extremely impact resistant; highly durable
PLA
APolylactic Acid
Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
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)
PLA Strengths
- Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
- Stiff non-composite thermoplastic, good tensile strength
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
PLA Caveats
- Creeps under sustained load
- Poor heat resistance, UV degradation, can shatter on drops
- Not great for sanding/gluing/painting/touch-ups