I start by having the students draw their name in BOX letters, outlining it with black sharpie markers and then coloring it in too.
Below, is the handout that I give the students to show how to draw box letters.
Then they draw a vanishing point. This point is where all of the lines will disappear to. All corners, unless they run into their letter right away, are connected. If the eventually run into a letter, they stop.
They first draw in pencil and the outline the lines with sharpie pen.
They complete this lesson by using colored pencil and show changing VALUE. Value is the light and dark of a color. The value is dark by the letters and slowly gets lighter the closer the color gets to the vanishing point