In this step you will model and scale one of the outer pedals, again using a solid sphere and non-uniform scaling.  Note: You can replace the Solid commands with Mesh commands if desired.

1.Activate the Top View tab by selecting anywhere in the viewport.

2.Form the Solid Modeling tab select the Sphere command.

3.In the Status Bar make sure the Grid Snap is On .

4.For the center point select the grid point at (0,6,0) or just enter the coordinates 0,6,0 in command input bar and press <Enter>.

5.For the sphere radius, enter 4.5 in the command input window and press <Enter> or select the grid point located at 0,1.5,0.

6.From Iso View 1, select the solid sphere you just created.

7.Select the Transform tab from the ribbon bar.

8.Select the Scale command.

9.From the Scale Selected Objects dialog, select the Non-Uniform Scaling option.

10.Set the X Length to 2, Y Length to 9 and the Z Length to 2.  

11.Pick OK and the sphere is scaled as shown below.

12.Now press the <Enter> key to accept the modification.

13.Let's move the scaled sphere into position along the Y Axis.  First make sure the Graphic Manipulator is On.  The icon is located on the Status Bar.

14.From the Front View , select the Red X arrow to display the input field, enter 3.5 and press <Enter>.  

15.Press <Enter> again to confirm the move and the sphere will move up to the Z 0 location as shown below.

16.Now select the sphere again.

17.Select the Blue Z arrow to display the input field, enter 3.5 and press <Enter>.  

18.Press <Enter> again to confirm the move and the sphere will move to the X 0 location.  If you activate the Right View your part should look like the image below.