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  • Linux Format

    Drawing shapes with maths and code

    Sep 21, 2021 5 minutes

    As a child I had Spirograph, and it was fascinating how coloured pencils and a rotating cog could create such wonderful patterns. Little did we know that years later we would be reproducing those same patterns with code. In this tutorial we shall use a little maths to generate coloured patterns in Scratch 3.

    Scratch 3 should come pre-installed on your Raspberry Pi OS image, but just in case it is missing it can be installed from the main menu, under Preferences > Recommended Software. Scratch 3 is found in the Programming category; tick the box and click Apply to install. Once installed, Scratch 3 can be found in the main menu under Programming.

    Open Scratch 3. On first start Scratch may take a little while to open. We’re going to assume that

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