The WEAVE focus translation system: from design to construction by Canchado, M, Romero, A, Maroto, O, Tomàs, A, Martin-Nuño, C, Casalta, J, Prida, J, Aguerri, J, Herreros, J, Delgado, J, Burgal, J, Abrams, D, Dee, K, Dalton, G, Bonfacio, P, Trager, S, Vallenari, A