DURUS WHITE / RGD430 / 3.6KG Stratasys Sale! from 115400 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. SKU: OBJ-03310 Tweet Simulated Polypropylene material is tough, flexible and durable. It enables you to 3D print precision prototypes that look and behave like polypropylene.