ECOMAX® PLA (polylactic acid) is a premium 3D printing filament made using premium Natureworks bio-polymer derived from corn - not petroleum products. ECOMAX® PLA has a sweet smell while printing making it ideal for 3D printers located in public spaces, schools, and offices. PLA is a semicrystalline resin that has high mechanical properties below it's Tg and is suitable for many general purpose prototype and production parts. Suitable for use in practically all consumer-grade FDM/FFF printers. Made by 3DXTECH® in the USA.