Self-assembly here doesn't imply reproduction. They compose a two dimensional structure (or more) that, given the proper conditions, build itself in the desire

Self-assembly here doesn't imply reproduction. They compose a two dimensional structure (or more) that, given the proper conditions, build itself in the desired three dimensional shape (1). (1)- https://en.wikipedia.org/wiki/DNA_origami https://en.wikipedia.org/wiki/DNA_origami