Cheetah™ flexible filament is the fastest and easiest to print flexible filament on the market. The focus in development of this material was on optimizing the user experience. The result is a filament that is printable across all types of desktop 3D printers at ABS and PLA speeds, many times twice the speed of other flexible materials on the ... Jul 18, 2016 · Usually printing slower will result in better surface quality, but this doesn’t mean that a normal or fast print won’t result in a good print, it’s just that the slower end of the spectrum is usually safer. We consider 30mm/s to 50mm/s as slow. Depending on the exact speed, you’ll need to tweak the temperature as well.