You can also adjust the blur level freely in the brush settings, so you can easily blur the image when you want to express a sense of perspective in different stages, as described earlier. The best thing about the blur brush is that you can blur as if you were applying color directly, so it is easy to blur as you imagine. Good points of the blur brush and notes on using it 3-1. The choice of which method to use depends on your preference, so try the method that suits you best.ģ. The difference between this method and the previous one is that this method leaves some of the lines of the underlying picture intact, which makes it easier to avoid over-blurring. Use the blur brush to blur the upper layer.ĭisplay the lower layer and decrease the opacity of the upper layer to adjust the blur. We will merge all the layers here like in the previous step.ĭuplicate the layer you just merged and hide the layer below it. In addition to directly blurring the illustration as described above, you can also duplicate the layer, blur it, and then overlay it with reduced opacity. If you increase the brush size, you can blur the image more widely, making the blur look stronger. The blur is strongest at 100%, and the smaller the value, the smaller the blur. The blur level can be adjusted in the “Blur” section of the brush settings. In this case, the hair in ① is the farthest away, so it is blurred the most strongly, and the blur in ② and ③ is loosened little by little. The farther the focus is away from the person, the stronger the blur will be. Once you have merged the layers, you can directly blur them with the blur brush.Īt this point, we need to pay attention to the degree of blur. ② Blur the merged layer directly with the blur brush. If you save the file after merging the layers, you will not be able to undo your changes when you want to start over, so I recommend duplicating the entire file first. To blur line drawings and paint all at once, first merge the layers. ① Merge all the layers of the illustration you want to blur. Now, let’s actually blur a part of the illustration using the brush. Let’s use the blur brush to blur a part of the illustration In this article, we will take a look at the easiest way to blur a part of the image using the blur brush.Ģ. ③ Separate the area you want to blur into layers and use Gaussian blur. I think the blurred image gives a little more perspective than the unblurred one. I blurred the hair behind her body and her hands, which is where I want people to see the most. Why does blurring give a sense of perspective?įirst, let’s see what it looks like when you blur only part of the illustration. Points to note when using the blur brushġ. Good points of the blur brush and notes on using it Why does blurring give a sense of perspective?

Paint tool sai blur brush