WHAT DOES 3D PRINTER FILAMENT MEAN?

Which gets to your 2nd cause I don't like them. They do not continue to be round. To play it safe you can't allow them to sit in your dryer and dispense from it. You have to use the center total because the reel possibly was not very spherical to begin with or went out of round after a while, sitting during the dryer and/or heat.All prices are bill