Walk-Through-Raster serie 2.1 by Frieder Nake, 1966. Programmed in ALGOL 60, plotted with a ZUSE-Graphomat Z64. More info here and here.
Walk-Through-Raster serie 2.1 by Frieder Nake, 1966. Programmed in ALGOL 60, plotted with a ZUSE-Graphomat Z64. More info here and here.