Simple interface and navigation The program has a simple interface that's easy to navigate. In addition, PaintTool SAI has some slightly more advanced features, such as layers and canvases, that can really add depth and neat effects to your graphics. You can flip, rotate, zoom and alter the colors, saturation and hue. It contains the basic tools you'd expect to find in a paint program, such as airbrushes, a paintbrush, watercolors, pencils and an eraser. PaintTool SAI is one of your options, and it's a good one in many respects. If you've ever wished you could spice up some of your photography or digital artwork, you'll want to take a look at a to do it. A lot of people were saying that the texture needed, 'Rock 3', wasn'. I configured this brush texture for Paint Tool SAI a while ago and it blew up on tumblr. 23 Dec extra TIP: try to mix those settings in watercolor tool too.