Flex vs PLA
Compare Flex and PLA filaments side-by-side. See which one is best for your 3D printing project.
Flex
-Versatile 3D printing filament
PLA
APolylactic Acid
Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
Detailed Comparison
Property
Flex
PLA
Tier Rating
Tier null
Tier A
Family
Flexible
PLA
Nozzle Temp
220-260°C
185-235°C
Bed Temp
40-85°C
50-60°C
Enclosure
not needed
not needed
Cooling
High part cooling usually beneficial
Moisture Sensitivity
low
moderate
Strengths Comparison
Flex Strengths
PLA Strengths
- Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
- Stiff non-composite thermoplastic, good tensile strength
Considerations
Flex Caveats
PLA Caveats
- Creeps under sustained load
- Poor heat resistance, UV degradation, can shatter on drops
- Not great for sanding/gluing/painting/touch-ups
Frequently Asked Questions
Is Flex or PLA better for 3D printing?
PLA is generally rated higher (Tier A) compared to Flex (Tier null). However, the best choice depends on your specific needs: Flex is best for various applications, while PLA is best for Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal.
What are the temperature differences between Flex and PLA?
Flex prints at 220-260°C nozzle / 40-85°C bed. PLA prints at 185-235°C nozzle / 50-60°C bed.
Do Flex and PLA need an enclosure?
Flex: not needed. PLA: not needed.
Which is more beginner-friendly: Flex or PLA?
Both Flex and PLA are beginner-friendly options.