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Basic Principles

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Be Specific and Clear

"Make a big hole"
"Add some rounded corners"
"Put it somewhere in the middle"

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Structure Your Commands

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1. Start with the Main Shape

"Create a rectangular block 100mm long, 50mm wide, and 30mm tall"

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2. Use Clear Measurements

  • Always specify units (mm, cm, degrees)
  • Use decimal points for precision
  • Include all necessary dimensions

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Common Patterns

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Location References

"from the center"
"from the edge"
"relative to the base"
"aligned with the front face"

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Geometric Relations

"perpendicular to"
"parallel with"
"tangent to"
"concentric with"

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Pattern Commands

"evenly spaced"
"distributed around"
"mirrored across"
"repeated every X mm"

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Tips for Complex Models

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Break Down into Steps

"Create a flanged cylinder with 6 bolt holes and internal threads"

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Use Reference Points

  • Start with clear origin points
  • Reference existing features
  • Use standard planes (front, top, right)

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Troubleshooting

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When Results Aren’t Perfect

  1. Review Your Description

    • Check measurements
    • Verify relationships
    • Look for ambiguous terms

  2. Common Fixes

    • Add missing dimensions
    • Clarify relationships
    • Break into smaller steps

Keep a note of commands that work well. You can reuse these patterns in future models.

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Examples by Complexity

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Simple Components

"Create a cylinder 30mm diameter and 50mm tall"
"Add a 2mm fillet to the top edge"

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Medium Complexity

"Create a rectangular plate 100x150mm and 5mm thick
Add 8mm holes in each corner, 10mm from the edges
Add a 50mm diameter center hole"

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Complex Assemblies

"1. Create base plate 200x200x10mm
 2. Add 4 mounting holes 8mm diameter, 20mm from corners
 3. Center a cylinder 80mm diameter, 100mm tall
 4. Add support ribs 5mm thick every 90 degrees
 5. Create a top flange 100mm diameter, 10mm thick"

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Best Practices Checklist

✅ Include all dimensions
✅ Specify units
✅ Use clear reference points
✅ Break down complex shapes
✅ Review before executing
✅ Build step by step

Remember: The quality of your model depends on the clarity of your description. Take time to plan and structure your commands.

Start simple and add complexity gradually. It’s easier to add features than to fix mistakes in complex models.