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A print with 100% infill is unexpectedly fragile. Which is the most probable cause?

medium📝 Analysis Q7 of 15
3D Printing - Slicer Software Basics
A print with 100% infill is unexpectedly fragile. Which is the most probable cause?
AToo much filament was used
BIncorrect infill pattern or poor layer adhesion
CThe printer was set to low temperature
DThe print speed was too slow
Step-by-Step Solution
Solution:

  1. Step 1: Analyze 100% infill effect

    100% infill means solid inside, so fragility is unusual unless other issues exist.

  2. Step 2: Identify common causes of fragility

    Poor layer adhesion or wrong infill pattern can cause weak points despite full infill.

  3. Final Answer:

    Incorrect infill pattern or poor layer adhesion -> Option B

  4. Quick Check:

    Fragility at 100% infill = adhesion or pattern issue [OK]
Quick Trick: Full infill but fragile? Check adhesion and pattern [OK]
Common Mistakes:
  • Blaming filament amount for fragility
  • Assuming slow print speed weakens print
  • Ignoring layer bonding quality

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