What is the purpose of zebra stripper in solidworks?

This is the answer to Zebra i SW

  1. Step 1:

    I'm going to create fuel tank for motorcycle in SolidWorks.
    I will model it from LOFT operations

  2. Step 2:

    I'm creating the sketches.

  3. Step 3:

    i make the first loft.

  4. Step 4:

    I'm making second loft.
    result is no good.
    Shape is not smooth.

  5. Step 5:

    turn the zebra ON and I'm watching how the shape looks.

  6. Step 6:

    I must edit this second loft shape.
    It has default options (in red rectangle)
    i must change it....

  7. Step 7:

    must change options for this loft- tangent to wall.
    I'm watching the result in zebra.

  8. Step 8:

    When zebra is on you should rotate the model and examine it- only by your eyes.
    It is only help tool and it depends on you if you make better shape or not.

  9. Step 9:

    now it looks better.

  10. Step 10:

    for the end i make some render......