v72-120 random densities/ I

placement of 4 paper elements (1 × 2 cm) in the center of the squares of a 25 × 25 cm with random direction

placement of 4 paper elements (1 × 2 cm) in the center of the squares of a 25 × 25 cm with random direction

v72-121 random densities/ II

placement of paper elements (1 × 2 cm) in the center of the squares of a 12.5 × 12.5 cm with random direction

placement of paper elements (1 × 2 cm) in the center of the squares of a 12.5 × 12.5 cm with random direction

v72-122 random densities/ III

placement of paper elements (1 × 2 cm) in the center of the squares of a 6.25 × 6.25 cm with random direction<

placement of paper elements (1 × 2 cm) in the center of the squares of a 6.25 × 6.25 cm with random direction<

v72-123 random densities/ IV

placement of paper elements (1 × 2 cm) on the intersections of the lines of a 6.25 × 6.25 cm grid in random direction

placement of paper elements (1 × 2 cm) on the intersections of the lines of a 6.25 × 6.25 cm grid in random direction

v72-124 random densities/ V

[program as v72-123] placement of paper elements (1 × 6 cm) on the intersections of the lines of a 6.25 × 6.25 cm grid in random direction (overlap not allowed)

[program as v72-123] placement of paper elements (1 × 6 cm) on the intersections of the lines of a 6.25 × 6.25 cm grid in random direction (overlap not allowed)

v72-125 random densities/ VI

[program as v72-124] placement of paper elements (1 × 6 cm) on the intersections of the lines of a 6.25 × 6.25 cm grid in random direction (overlap allowed)

[program as v72-124] placement of paper elements (1 × 6 cm) on the intersections of the lines of a 6.25 × 6.25 cm grid in random direction (overlap allowed)

v72-126 random densities/ VII

[program as v72-125] placement of paper elements (1 × 12 cm) on the intersections of the lines of a 6.25 × 6.25 cm grid in random direction (overlap allowed)

[program as v72-125] placement of paper elements (1 × 12 cm) on the intersections of the lines of a 6.25 × 6.25 cm grid in random direction (overlap allowed)

v72-127 random densities/ VIII

[program as v72-126] placement of paper elements (1 × 2 cm) on the intersections of the lines of a 12.5 × 12.5 cm grid in random direction (overlap allowed)

[program as v72-126] placement of paper elements (1 × 2 cm) on the intersections of the lines of a 12.5 × 12.5 cm grid in random direction (overlap allowed)