You can import your custom paper textures in the extended Brush Properties window. It is recommended that you maintain the texture resolution between 100 x 100 pixels and 400 x 400 pixels. Alpha channels are disregarded on import. A range of file formats are supported-.jpeg. Black appears as 100% opaque, white appears as 100% transparent, and all the shades of grey in between appear as varying degrees of semitransparenty. Colour is not supported and transparency is not supported in the traditional sense. To create your own textured brush, you must prepare your texture file ahead of time, either in Harmony or in a third-party software, such as Adobe Photoshop.
You will understand why when you work with bitmap brushes on bitmap layers, where it is possible to have both a textured brush tip and a paper texture. In other words, we are attributing the texture not to the tool, but to the texture of the surface that is revealed when a stroke passes over it. In Harmony, when using a textured brush on a vector layer, the texture of a brush is referred to as the Paper Texture. In the Brush Tool Properties view, you will find a series of default textured 'brushes', but you can also create and import your own custom collection. Those brushes are a mix of vector contours with bitmap texture fills. In Harmony, you can use the Brush tool to draw with bitmap textured brushes on vector layers.