Today's I am going to show you how to create Wave effect.Step 1: Create a new document. Now press "D" on your keyboard to reset the foreground and background colors to black and white.Step 2:Select the Gradient Tool with Linear Gradient and Mode 'Difference'.Now with linear gradient make something like that:Step 3:Now select Diamond Gradient still set to difference and create some diamond gradient. Here's is my effect after apply diamond gradient.Step...