When you run out of your favorite filament and need to buy a new spool, you would expect that if you buy the same brand and color you had before that it should print with the same quality, right? In this WTFFF?! episode Tom and Tracy discuss their experience with reordering from trusted filament sources, and the unexpected results. How can you make sure you can 3D Print with consistent quality from one spool of material to another? This is a hidden land mine that can cause frustration and lost time.

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