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In today’s Adobe Illustrator tutorial I’m going to show you how to create a geometric pattern using tessellating triangle shapes with a randomised colour scheme. This detailed mosaic effect is ideal for adding colourful backgrounds to your designs, or even as interesting abstract poster art. I’ll share a secret that helps to dramatically speed up the process by randomly adding colour fills to each shape automatically, and keep watching to see how this pattern can be processed to seamlessly repeat across an infinite area.

How to Create a Geometric Triangle Pattern in Adobe Illustrator

► Download the RandomSwatchesFill Script – https://spoon.graphics/3pIUmFD
► Download the Supernova Colour Palette – https://spoon.graphics/3EJwDcz

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Check out these ready-made geometric pattern resources:

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