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Which step correctly describes the SLS process?

easy📝 Factual Q12 of 15
3D Printing - Fundamentals
Which step correctly describes the SLS process?
APrinter extrudes melted filament layer by layer
BLaser cures liquid resin layer, then adds support structures
CSheets of material are cut and glued together
DLaser melts powder layer, then spreads new powder layer
Step-by-Step Solution
Solution:

  1. Step 1: Recall SLS process steps

    SLS uses a laser to melt or fuse powder layer by layer.

  2. Step 2: Match correct description

    Laser melts powder layer, then spreads new powder layer correctly states laser melts powder then spreads next powder layer.

  3. Final Answer:

    Laser melts powder layer, then spreads new powder layer -> Option D

  4. Quick Check:

    SLS process = Laser melts powder + spread powder [OK]
Quick Trick: SLS melts powder, not liquid resin or filament extrusion [OK]
Common Mistakes:
MISTAKES
  • Confusing SLS with resin curing or filament extrusion
  • Thinking supports are always needed in SLS
  • Mixing up cutting sheets with powder fusion

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