PACK OF 1 RGD750, DRAFTGREY, 1.1KG Stratasys Sale! from 17000 /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-09106 Tweet System Compatibility Stratasys J55 3D Printer DraftGrey is the ultimate concept modelling material. It provides stiffness, shape accuracy, dimensional stability and versatility at an extremely affordable price.