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What does the FDM process use to build objects layer by layer?

easy📝 Conceptual Q1 of 15
3D Printing - Fundamentals
What does the FDM process use to build objects layer by layer?
ACuring liquid resin with light
BSintering powdered metal
CCutting material with a laser
DMelting and extruding plastic filament
Step-by-Step Solution
Solution:

  1. Step 1: Understand FDM basic principle

    FDM builds objects by melting plastic filament and extruding it layer by layer.

  2. Step 2: Compare with other 3D printing methods

    Other methods like sintering or resin curing use different materials and processes.

  3. Final Answer:

    Melting and extruding plastic filament -> Option D

  4. Quick Check:

    FDM process = Melting plastic filament [OK]
Quick Trick: FDM melts plastic filament to build layers [OK]
Common Mistakes:
MISTAKES
  • Confusing FDM with resin curing
  • Thinking FDM uses powder sintering
  • Assuming laser cutting is part of FDM

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