Which statement reflects a typical financial benefit of 3D printing in manufacturing?

• A. Reduced inventory and little raw materials need to be held
• B. Requires more tooling and setup costs
• C. Increases waste and material costs
• D. Longer supply chain lead times

Answer: (A)

3D printing in manufacturing enables on-demand production, so parts can be made when needed rather than kept in large finished-goods or spare-parts inventories. This lowers working capital tied up in stock and reduces the raw materials you have to hold, which is a clear financial benefit. The additive process also tends to waste less material than subtractive methods, especially for complex or custom parts, helping control material costs over time.

The other possibilities don’t fit typical outcomes. Additive manufacturing generally lowers, not increases, tooling and setup costs since you don’t need expensive molds or fixtures for many parts. It also tends to shorten, not lengthen, lead times because you can produce parts locally or on demand instead of waiting for tooling and long supply chains. While some supports or process scraps can occur, overall waste and material costs are not typically higher with 3D printing.