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Which of the following is the correct way to start an ASCII STL file?

easy📝 Factual Q3 of 15
3D Printing - STL and File Preparation
Which of the following is the correct way to start an ASCII STL file?
Aendsolid name
Bsolid name
Cfacet normal x y z
Dvertex x y z
Step-by-Step Solution
Solution:
  1. Step 1: Recall ASCII STL structure

    ASCII STL files begin with the line 'solid' followed by an optional name.
  2. Step 2: Identify start vs other lines

    Lines like 'facet normal', 'vertex', and 'endsolid' appear later, not at the start.
  3. Final Answer:

    solid name -> Option B
  4. Quick Check:

    ASCII STL starts with 'solid' [OK]
Quick Trick: ASCII STL starts with 'solid' keyword [OK]
Common Mistakes:
MISTAKES
  • Starting with 'facet normal' instead of 'solid'
  • Confusing 'endsolid' as start line
  • Using 'vertex' line as first line

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