... identify and draw the three families of lines, straight, angle, and curved, which are the basic building blocks of drawing. Four worksheets offer a total of sixteen fun exercises designed to ... FAMILIES OF LINES Lines visually separate and/or define the forms, shapes, and patterns of the various components of a drawing. Straight, angle, and curved lines are the basic building blocks of ... direction to make compound curves, such as in the letter “S”? Examine the sizes and shapes of the spaces on either side of each line. Study the outlines of shapes, such as circles, ovals, rectangles,...