Changes on an impossible figure. 1968. Ordering IBM 1090.
Under the title calculable Forms, in 1969 the first exhibition was realized in Spain of plastic forms generated by computer, marking the precedents of net art in Spain.
The exhibition was born of the Seminar of Automatic Generation of Plastic Forms of the year 1968. Calculable forms it gave place in the Computer center of the University of Madrid, there were carried out the first works in which art and computer fused.