Before getting to the Comgrow filament review, I would like to point out that while filament quality do affect the quality of your prints, filament quality can only be assessed if the following has been done:1) Your printer has been properly assembled (i.e., all parts aligned, leveled, no hardware issues, etc.) and2) Your slicer settings are optimized for the filament you are usingI believe that if the 2 criteria listed above are achieved, most filaments will yield adequate print results, howeveSee full review