We want the square to appear to be a sphere with the circles wrapped around the sphere in perspective. To do this we will use a
double Circular Envelope.
Drag four guidelines from the screen rulers onto the page and align them to the four sides of the square.
RULERS: If you do not see rulers on the top and left side of the screen, open the Window pull down menu and select Bars... Rulers or press Ctrl L.
Click the square with the Mould Tool. Click the Circular Envelope icon on the Infobar at the top of the screen to apply the envelope. As you can see, while
this distorts the square into a circle, the circular holes in the shape are not very accurate in terms of wrapping around the sphere.
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