Underpainting Example : The Lone Building

Below is the building I quickly sketched and provided an in-class example of an underpainting:



Here is the matte medium example I was doing speedily for Rachel:

Underpainting Example : Fat Squirrel in the City

In class I will show how to add light layers of paint mixed with matte medium, paint mixed with retarder, and opaque paint to this underpainting: