It's a fairly simple process. It's a combination of duplicating layers and adding an offset path in Adobe Illustrator to create the shape around your designs. It may seem intimidating at first for beginners, but by following the steps below you'll be on your way to adding custom shapes for any raster or vector graphic. Follow these steps using other graphic editing software, but we are going to show the steps in Adobe Illustrator for ease of use and to create a vector cut path (custom shape).