Ellipse by error
Ellipsen, aleatorisch
Ellipsoid im Unterraum
1986
Endless Ribbon
1953
Endlose Treppe
1991
Entrechats II
Experiment in Shading
1972-73
Experimental Airplane Study
Facing Out Laying Low
1977
Farben nach Carpaccio
1955
Farbraster 74
1975
Farbraster 75
1975
Fifty Percentile Human Figures Related to Cockpit
around 1966-69
Final Approach
1979
First Boeing Man
1966-1969
First Tighten Up on the Drums
1969
Fischaugenansicht
1986
Flies in a circle
1966
Flies on the Miller transformation
Flowergirl
1903
Flur
1969
Formstudie
1955
Four Temas Circulares
1953
Four-Letter Word Generator
1974
Fraktal nach Barnsley
1989
Free Form
1966
Friendly flowers of time and space
mid 1960s
From square to circle (vitruvian)
1968
Full Fathom Five
1947