Serial Project, I (ABCD) , 1966
Cubic-Modular Wall Structure, Black, 1966
All Three-Part Variations of Three Different Kind of Cubes, 1968
The location of a circle, 1974
Variations of Incomplete Open Cubes, 1974
All Combinations of Arcs From Corners and Sides, Straight Lines, Not-Straight Lines, and Broken Lines, 1975
Form Derived from a Cube, 1981
Wall Drawing #604A-Cubic Rectangle with Color Ink Washes Superimposed, 1989