Tutorial - Modeling Allen key 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.
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Step 3:
Draw this profile.
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Step 4:
Top plane>>Sketch.
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Step 5:
Click Polygon tool.
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Step 6:
Draw a polygon with .15mm dia.
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Step 7:
Select Swept Boss.
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Step 8:
Select polygon as profile and the sketch1 as the path.
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Step 9:
Click Ok and we have allen key.