This article analyses Samuel Castro´s sculptural work under the perspective of three concepts: recursivity, model, and system, whose definition, transversal to other fields of knowledge, is affected at the same time if we revise it in the light of this artistic work. The works to which we refer respond to the attempt to integrate into our own world the representations of it built on a smaller scale. The installations and dioramas of Samuel Castro show how we can figure out new complexities through representation and how new worlds are created using basic strategies of miniaturization