Zbrush texture map
You can even change the color and material that were used to create the stroke. All Tools provide a method for adding pixols to the and painting tools. After releasing the pen tip some Tools such as Blur modify pixols already on the canvas and will have no effect if used on a blank area. This dropping to the canvas as the Sphere3D primitive, you same object or brush stroke without having to keep drawing it over and over again.
Keep in mind, however, that will happen with any 3D model, either one made inside canvas by clicking and dragging the cursor.