To give you illustrator software users to detailed analysis to share the use of fish eye function to make 3D effect of the tutorial.
Create a new canvas, draw a small positive circle, I set the 10mm. As shown in figure
Right button, transform-move, select the distance to move, level 11mm, then select Copy, then ctrl+d, copy a row of small circle. As pictured,
After that the same method is copied out as pictured.
Selection effect-deformation-fish eye
Set the parameters in the dialog box as follows.
Select Object-Expand Appearance
Right Key-change-rotate. Rotate the image 45 degrees
Then select the effect again-fish eye.
Set parameters, 100. Figure
Get the following figure effect
Draw a circle smaller than the above figure, remove the fill, and remove the stroke
Put two images together, all selected, right button, clipping mask.
Finally get the effect we want
Well, the above information is small make up for you illustrator of this software users brought to the detailed use of fish eye function to make 3D effect of the tutorial to analyze the full content of sharing, you see the users here, small knitting believe that everyone is now very clear the way, Then you go to follow the small series of tutorials yourself to try to draw it.