Tutorial how to model a propelling pencil (8)

Part 3
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Step 1:
open a sketc on the front plane and draw a centerline
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Step 2:
draw shown lines
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Step 3:
continue the sketch like this
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Step 4:
finally draw this line
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Step 5:
use revolve command
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Step 6:
please save the part ( part 3)
next: http://grabcad.com/questions/tutorial-how-to-model-a-propelling-pencil-9