In this tutorial, you will create this part using revolved feature tools.
1.Click New. 
Click Part,
OK.
2.Click Front Plane 
and click on Sketch.
3.Click Rectangle, 
sketch rectangular. Click Smart Dimension, 
dimension rectangular 3in x 3in.
4.Click Feature>Extruded Boss/Base, 
set D1 to 2in
and 
.
5.Click on front face and click Sketch.
6. Click Circle, 
and sketch a circle on front face.
7. Click Smart Dimension, 
dimension sketch as below sketched.
8.Click Features>Revolved Cut 
click on right side edge as axis of revolution,
and .
9. You’re done!
