Tier List

PMMA (Clear)

PMMA • Polymethyl Methacrylate (Acrylic)

C

Also known as acrylic, plexiglass, perspex. Almost always sold by the sheet but available as filament. Clarity is truly incomparable - can buff to frosted or polished. Can even shine in direct sunlight thanks to UV resistance.

specialtyEnclosure RequiredDry Storage
Warnings
  • Prints likely to fail during or after printing
Print Settings
Print Temp230-260°C
Bed Temp80-100°C
Enclosure:Required
Material Properties
Strength55
Flexibility8
Heat Resistance65
Resistance Ratings
UV Resistance
Excellent
Chemical Resistance
Low
Humidity Sensitivity
High
Usability
Ease of Printing
(1/5)
Price Tier
$$(Moderate)
Requires dry storage
Pros
  • Incomparable clarity
  • Excellent UV resistance
  • Can be polished
  • Beautiful finish
Cons
  • Terrible bed adhesion
  • Crappy layer adhesion
  • High thermal expansion
  • Extremely brittle
  • Absorbs water aggressively
  • Very slow to dehydrate
Use Cases
Light diffusersClear optical partsDisplay itemsOutdoor signage

Also known as: acrylic, plexiglass, perspex, lucite

Data sourced from Zack Freedman / Voidstar Lab