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.
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.