PCL vs PLA
Compare PCL and PLA filaments side-by-side so you can pick the right one for your 3D printing project.
PCL vs PLA: PCL is known for very low-temp printing (~100c), while PLA is known for easiest to print. Both have no enclosure requirements; PCL is less moisture-sensitive; PLA prints at higher nozzle temperatures (190-220°C vs 60-110°C). Choose PCL for very low-temp printing (~100c), or PLA for easiest to print.
Key differences at a glance
PCL
BPolycaprolactone
Very low-temp printing (~100C); softens in warm water; can be heat-formed
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
PCL Strengths
- Very low-temp printing (~100C); softens in warm water; can be heat-formed
- Useful for prosthetics/fitment via hairdryer reshaping
- Can be used like an adhesive; similar to Shapelock/InstaMorph pellets
PLA Strengths
- Easiest to print, cheap, widely available, fast, good bridges/overhangs, easy support removal
- Stiff non-composite thermoplastic, good tensile strength
Considerations
PCL Caveats
- Not actually PLA despite branding
- Low-temp / waxy nature limits use cases; poor adhesion for many glues
PLA Caveats
- Creeps under sustained load
- Poor heat resistance, UV degradation, can shatter on drops
- Not great for sanding/gluing/painting/touch-ups