Dutch neoplasticism, 1917 onward: rectangular blocks of primary red, yellow, and blue locked into a white field by thick black grid lines. Strictly horizontal and vertical, asymmetrically balanced, and reduced to the absolute elements of color and line.
Primary actionThe Mondrian lattice: 4–8px solid black lines dividing the canvas into unequal rectangles, a few of which are filled with pure red, yellow, or blue while the rest stay white.