Studio : WildCow Publisher : WildCow Product Description PLA (Polylactic Acid) is one of the two most commonly used 3D filaments. It naturally degrades when exposed to the environment. Because moisture and sunlight can cause degradation, don't expose it to continuous moisture or leave it outside - it will ruin the quality of your filament and possibly jam or clog up your 3D pen. For prolonged life and best results, store 3D pen filament in airtight plastic or containers. No direct sunlight if not in use. Refill your 3D pen with these colorful filaments. 0
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