1. First I'll start it off with a single basic Ellipse shape for the basis of the background pattern. Now select the Ellipse Shape tool on the toolbar and draw in ...
1. Create a new document (Ctrl+N). Choose the size of the squares you want in your grid. Here I'm using 25x25, make sure your width and height dimensions are the same, ...
Its also best at this stage to trim excess space from your document, or leave just enough to margin between your shapes, as I will do next. (Image/Trim or Draw a ...