In Photoshop, open up the brush file that you want to import into Paint Tool SAI. Start by opening up both Photoshop and Paint Tool SAI on your computer. First, let’s take a look at how to import Photoshop brushes into Paint Tool SAI using the ‘Import’ function.ġ. There are a few different ways that you can go about doing this, but we’ll outline the two most popular methods below. However, one of the most popular questions we get asked is whether or not you can import Photoshop brushes into Paint Tool SAI. Photoshop brushes are a great way to add a bit of flair to your work, and they can be used in a variety of different ways.