a portfolio of offset lithographs created after original unique plotter drawings and computer generated sculptures plotter drawings were programed and drawn between 1965-1970 using: hardware: Siemens-System 4004 software: ALGOL output device: ZUSE-Graphomat Z64 plotter sculptures were programed and created between 1965-1968 using: hardware: Siemens-System 4004 software: EXAP-1 output device: Sinumerik milling machine lithograph titles: 1(a). […]