This allows specific amounts to the penny, helpful for Markforged printer costs which display as $21.16 for example, you can enter 2,116 credits to get that exact amount.Material Location: 3-d printer areaUnit Cost: $0.01Unit: Direct costEquipment: Nylon and Chopped Carbon Fiber 3d Printer (Markforged) Supplier Source Information These are the suppliers that MakeHaven purchases these items from. Material Source: Markforged