3D printing economics and business models are reshaping manufacturing. From rapid prototyping to mass customization, this technology enables new production approaches and revenue streams. Companies are leveraging 3D printing to reduce costs, improve supply chain efficiency, and create innovative products. The market for 3D printing is growing rapidly, with applications spanning aerospace, healthcare, and consumer goods. As technology advances and costs decrease, new business models emerge. Understanding the economics and strategic implications of 3D printing is crucial for companies looking to stay competitive in this evolving landscape.