Custom case layout explanation A: Magnifiers tool. Zoom in / Out B: Button to change the product. C: Customizable area of the product. D: Finish the design, save it and continue the checkout process. E: Change the background color of the customizable area of the product. F: Add clipart, upload image. G: Add text layer. H: Layer rotation tool. I: Layer resizing tool. J: Buttons to move a layer forward / backward. Put a layer (image/text) over or below another layer. K: Remove layer. L: Edit Text layer. change color, line spacing, font, etc. of a text layer. M: Previsualize the final design.