A 3D-printed pressure vessel is an innovative container designed to hold gases or liquids under high pressure, fabricated using advanced additive manufacturing techniques. This method enables the creation of complex geometries with minimal material waste and faster production times compared to traditional methods. 3D printing also allows for the customization of vessel designs to meet specific requirements, such as improved strength-to-weight ratios or intricate internal features for optimized fluid flow. By using specialized materials like metal alloys or composite polymers, 3D-printed pressure vessels offer enhanced durability, corrosion resistance, and reliability, making them suitable for various industrial applications, including aerospace, energy, and chemical processing.