I. [v72-39] on the intersections of a 4 × 4 cm grid, 4 lines crossing the intersection are arranged with at random length of the lines (1, 2 or 34 cm) direction and colour (selection out of 8 colours); coloured ink with graphite pencil on paper
II. [v72-40] on the intersections of a 4 × 4 cm grid, 4 lines crossing the intersection are arranged with at random length of the lines (1, 2 or 34 cm) and direction [program as v72-39]; black ink with graphite pencil on paper
III. [v72-51] collage with strips (1 × 24 cm) vertically placed at a distance of 1 cm with random selection of colour; black and red paper with graphite pencil on paper
IV. [v72-52] collage with strips (1 × 24 cm) vertically placed at a distance of 3 cm with random selection of colour; black and red paper with graphite pencil on paper
V. [v72-53] collage with strips (1 × 24 cm) vertically placed at a distance of 2 cm with random selection of colour; black and red paper with graphite pencil on paper
VI. [v72-58] on the intersections of lines of a 2 × 4 cm grid, dots are arranged with at random selected size (in 5 sizes); black ink with graphite pencil on paper
VII. [v72-59] on the intersections of lines of a 2 × 6 cm grid, dots are arranged with at random selected size (5 sizes) [program as v72-58]; black ink with graphite pencil on paper
VIII. [v72-68a] 15 dots arranged with at random selection of size (5 sizes); black ink with graphite pencil on paper
IX. [v72-68b] 15 dots arranged with at random selection of size (5 sizes) [program as v72-68a but 1 dot difference]; black ink with graphite pencil on paper
X. [v72-118s] on the intersections of the lines of a 1 × 1 cm grid, dashes (1 × 0.18 cm) are arranged with random direction; black ink with graphite pencil on paper
XI. [v73-06] on the intersections of the lines of a 3 × 3 cm grid, lines are arranged in random direction, but always crossing the borders; black ink with graphite pencil on paper
XII. [v73-07] on the intersections of the lines of a 3 × 3 cm grid, lines are arranged in random direction, always crossing the borders, but not the inner squares [program as v73-06s]; black ink with graphite pencil on paper
XIII. [v73-08] on the intersections of the lines of a 5 × 5 cm grid, dashes (10 × 1.8 mm) are arranged with random direction [program as v72-118s]; black ink with graphite pencil on paper
XIV. [v73-09] vertical lines at a distance of 5 mm with with random selection of colour (red/yellow); coloured ink with graphite pencil on paper