Searching for expressiveness and material curiosity through concrete, the inherited material of the Clesa factory used by la Sota. Talking advantage of all-through-ness about it by searching for an imagined expressiveness that could work in architecture and in dialogue with the existing structure. These experiments, from different scales to different formwork and colors, in a trial-error mode, helped understand the construction phase of how a repetitive element could articulate the existing space but dialogue in contrast.