To give you illustrator software users to detailed analysis to share the Rotation tool and zoom tool perfect combination of the use of the tutorial.
Step 1: Create a simple shape
We start with a circle and delete the 1/4 circle with the direct selection tool (a).
Now, select the entire 3/4 circle with the selection tool (V) and choose the Scaling tool (S), and hold down the ALT Point Center point to open the Options dialog (double-click the toolbar icon to open it). Select equal to enter 110% in the Radio box. Do not select proportional scaling strokes and effects, but this has little effect on our effect, temporarily do not choose it. Click the Copy button.
Step 2: See the Zoom Effect
After copying, the 3/4 circle is copied at a size of 110%. Now point Ctrl + D is connected 8 times, this will produce 8 times the same operation, a total of 10 layers of the circle, too cool.
Now select the inner circle with the selection tool (V) and select the Rotation tool (R) in the toolbar.
Hold down the alt dot Circle Center. In the Rotate Options dialog box, enter an angle of 15, OK. Now select the second small circle, press ctrl+d two times.
Step 4: Rotate to other circles too
From the inside and outside the selection of each circle, first ctrl+d three times, and then four times.
All the way down, you can get the effect of the diagram on the right.
Step 5: Change the stroke width
Change the stroke width of each 3/4 circle, from the inside to the outside of the width from 1pt to 10pt.
You can get the wonderful effect of the picture on the right.
Step 6: Contour strokes with gradient fills
Now we're going to convert these 3/4-circle strokes into fills. Perform object > Path > Contour strokes.
The Execute object > Compound path > Build command combines all 3/4 circles into a compound path. You can now fill the new circle with a radial gradient.
Well, the above information is a small series of users of this software illustrator to bring the detailed rotation tool and zoom tool to combine the perfect combination of the use of the full content of the tutorial analysis, the users see here, small knitting believe that we are now very clear the course of the bar, Then everyone will go to follow the small series of the tutorial themselves to try it.