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You try to open a binary STL file in a text editor but see unreadable characters. What is the likely cause?

medium📝 Analysis Q14 of 15
3D Printing - STL and File Preparation
You try to open a binary STL file in a text editor but see unreadable characters. What is the likely cause?
AThe file is corrupted
BBinary STL files are not human-readable
CThe text editor does not support STL files
DThe file is actually an ASCII STL
Step-by-Step Solution
Solution:
  1. Step 1: Understand binary STL format

    Binary STL files store data in compact binary form, not readable as text.
  2. Step 2: Explain why text editor shows gibberish

    Text editors expect readable characters; binary data appears as unreadable symbols.
  3. Final Answer:

    Binary STL files are not human-readable -> Option B
  4. Quick Check:

    Binary STL = unreadable in text editors [OK]
Quick Trick: Binary files look like gibberish in text editors [OK]
Common Mistakes:
MISTAKES
  • Assuming file corruption without checking format
  • Thinking text editors must support STL
  • Confusing ASCII and binary STL formats

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