Tutorial - Cutter in SolidWorks?

Here is the Tutorial.
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Step 1:
Start SolidWorks in Part mode.
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Step 2:
Front Plane>>Sketch and make two circles.
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Step 3:
Extrude it.
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Step 4:
Select the front face of the disc and then sketch.
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Step 5:
Make a rectangle like this.
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Step 6:
Extrude cut it from the disc.
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Step 7:
Choose Circular pattern under features tab.
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Step 8:
Select the circular edge as the pattern parameter and the cut-extrude1 as the feature to be patterned.
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Step 9:
Click OK and here goes the cutter.