Acorn Acorn 6

Jagged Image Edge


This tutorial will outline how you can give your image a jagged edge.  To start, open your image in Acorn, File ▸ Open.

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Create a new layer, Layer ▸ New Layer.  Using the flood fill tool, fill the layer with white.


Go to Filter ▸ Stylize ▸ Crystallize.  Play around with the settings to achieve more or less of a jagged appearance.  Click 'Flatten'.

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Go to Select ▸ Make Selection from Layer, then Select ▸ Inverse.  Click on the visibility eye of the white layer to hide it.


Click on the main image layer and hit the delete key.  Deselect (⌘D).  Make your canvas slightly bigger to really see the boundary, Image ▸ Resize Canvas. 

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You can also add a border around the jagged edge.  For more information read the 'Add a Border' tutorial, and follow the steps for 'Add a Border Using a Layer'.