Left Toolbar > Texture Nodes > Texture Blend node
The Texture Blend node blends the texture A and texture B using a blend mode and an optional mask texture.
Tex A procedural Billow texture.
Tex A procedural Voronoi texture.
Tex A procedural Checkerboard texture as Mask.
Tex The procedural Billow and Voronoi textures with a Texture Blend and a Checkerboard texture as mask.
On the left toolbar choose Texture Nodes > Texture Blend. >
Drag the Texture Blend icon into the Node Graph.
Adjust the attributes of the Texture Blend node.
Tex A procedural texture node.
Tex A procedural texture.
Mode Defines the blend mode.
Opacity Defines the blend opacity.