The Sistema series is first family within Parts of Four. As a mode of creation it expresses the core principle of P/4 which is modularity. The "body" and "insert" are separate parts joined together with pins. This leaves endless possibilities for iteration of material and form combinations.
DA:Dirty Sterling. Sterling silver, dipped in acid to create a subdued surface. Results will never be identical, and this nuance / variation should be seen as a characteristic of the uniqueness of the product.