PolyLite™ PLA (formerly PolyPlus™ PLA) PolyLite™ is a family of 3D printing filaments made with the best raw materials to deliver exceptional quality and reliability. PolyLite™ covers the most popular 3D printing materials to meet your everyday needs in design and prototyping. PolyLite™ PLA is a high-quality PLA designed for reliability and ease of printing. Print settings: