- 1965–67 Geometric abstraction
- 1967–70 Before art - Kinetics - Impossible Figures
- 1968–71 Calculus Centre of the University of Madrid - Computable Forms
- 1968–73 Impossible Figures
- 1973–75 Interpenetrating Structures - Perspectives - Lasers - Holography
- 1975–76 M.I.T. Four Dimensional Structures
- 1977–85 Installations - Floating Structures - Happenings - Performances
- 1975–90 Flying Structures
- 1985–95 Spatium Temporis – Limits - Void - Eclipses
- 1991–96 Preludes
- 1996–98 Interludes
- 1998–07 Postludes - Void
- 2007–15 Horizons
- 2015–16 Enso