In 1962 that his exploration of the qualities of space through his metal sculpture began in earnest, and his two-dimensional drawings became transformed into their three-dimensional counterparts.
Conflict between large, flat, colorful forms characterized the series entitled Onda, Onfalo and Tierra, exhibited in 1963, and indicated a significant change in the direction of his art.
In 1969 Pablo Palazuelo returned to Spain, where he continued to probe the mysteries of form through his paintings, sculptures, writings and research.
The appearance of "signs" in his El número y las aguas series in 1978 marked another level of his inquiry into "the moment of formation."
Constantly changing lineal rhythms characterized his Nigredo, Anamne and Sinesis series, which were exhibited at the Galería Soledad Lorenzo in Madrid.