Tutorial: how to model revolving surfaces without degenerated point

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This tutorial shows how to reconstruct a portion of a revolving surface, in order to remove the degenerated point

  1. Step 1: Define the problem



  2. Step 2: Aim of the tutorial



  3. Step 3: draw trimming curves



  4. Step 4: draw trimming curves



  5. Step 5: Project curves on the surface



  6. Step 6: Trim the curves



  7. Step 7: Trim the surface



  8. Step 8: Remove the joint edge of the revolving surface



  9. Step 9: Extract isocurves



  10. Step 10: Split, delete and mirror copy



  11. Step 11: Create guide curves with blend



  12. Step 12: Create the new patch



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