: Perfect circle inside a square I need to cut out a prefect circle from a square image, sort of like this: a circle http://h311.info/cropzor.JPG This is pretty close but I've been using "feel"

@Murray976

For Photoshop...

Draw the square.

Duplicate the square layer

In the Properties Panel set the corner rounding to 50% the width of the square for the duplicate layer.





I'd probably use Illustrator though....

Draw the square

Copy Square

Edit > Paste in Front

Effect > Stylize > Rounded Corners...

Set the rounding to 50% the width of the square to create a circle.

Object > Expand Appearance



Nothing actually moves with these methods so the circle will always be in perfect alignment with the square.

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@Shelley591

You can select canvas (ctrl+a), select both layers and using move tools align horizontal and vertical center them both perfectly, then just free transform circle with shift + alt to snap to the square.

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@Correia448

Try Photoshop's magic wand tool and select the white color portion (which is circle). the tolerance property should be at 0 level. and select the circle by magic wand tool.
Now use Copy command and Paste it into New Photoshop Document.
Hope this work

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