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What is the main source material used to make PLA filament?

easy📝 Conceptual Q1 of 15
3D Printing - Materials for 3D Printing
What is the main source material used to make PLA filament?
AMetal powders
BPetroleum-based chemicals
CRecycled plastics
DCorn starch or sugarcane
Step-by-Step Solution
Solution:

  1. Step 1: Understand PLA origin

    PLA stands for Polylactic Acid, which is made from natural materials like corn starch or sugarcane.

  2. Step 2: Compare options

    Only Corn starch or sugarcane mentions natural plant-based sources, while others mention synthetic or unrelated materials.

  3. Final Answer:

    Corn starch or sugarcane -> Option D

  4. Quick Check:

    PLA source = Corn starch or sugarcane [OK]
Quick Trick: PLA is plant-based, unlike petroleum plastics [OK]
Common Mistakes:
MISTAKES
  • Confusing PLA with ABS which is petroleum-based
  • Thinking PLA is made from recycled plastics

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