China based Polymaker is know for creating inovative high quality materials. Polymax PLA is currently the strongest PLA we have used and has an initial high melting temperature which makes it perfect for all metal hot ends, where the material can possibly soften earlier than desired. Once printed the materail temperature handling characteristcs return to that of regular PLA.
Also check out the new range of Polysher materials. A safe and easy was to smooth models for a proffesional unprinted look.