I think I found this on Florian's blog, but I can't find the link now.
http://www.protoparadigm.com/2011/11/filament-tolerances-and-print-quality/
Here's a nice article on filament quality. (I am not affiliated with this vendor, and have not bought from them)
I propose we use this thread to keep track of filament quality as described in this article from vendors as we order. Should be pretty straight forward if you have a digital caliper available.
e.g.
Vendor:
filament material:
filament color:
filament nominal diameter:
roundness as measured at three points:
diameter as measured at three points:
Kyle
