Adjustable relief 1960/2000 Wood
Volume and Void relief 1973
Hidden Circles 1973 paint on canvas
Engraved line drawing 1990
Engraving 1990
Relief 2000
Contra 2 relief 2010-11
Transformable construct 2013 stainless steel
Hanging double-sided relief 1963 wood, 91 x 91 x 10
Relief 1969
Helix of nine slices of a cube 1973
Five-part wall construction 1979
Double Crosses 1980 print
Relief 1994
Ten acute triangles 2000
Four root-2 rectangles 1964 wood
Relief 1965
Outdoor construction 1966
Permutation of rows 1968
Ten rows 1969
Four equal volumes 1974
Reliefs 1980
Pen drawing 1990
System of heptagons 2014
Relief 1960 wood
Relief 1964
Relief 1965
Relief 1968
Pen drawing 1988
Eight pentagons 2000
System of decagons 2013
Hexagonal system 2014
Transformable 1961
Relief 1969 50 x 50
Construction 1969
Relief 1970
Pen drawing 2000
Triangles in a hidden decagon 2004
Relief 1969
Volume and Void reliefs 1979 private collection
Marble construction 1974-90 80 x 80 x 10, Kemi museum, Finland
Engraving 1990
Black relief 1997
Five crosses 2012
Schema for musical score with Eric Fischer 2013
Transformable construct 2013