Abstract
<title>Abstract</title> <p>Aortic aneurysm is a severe medical condition characterized by the pathological dilation of the aorta, the main blood vessel in the human body. This study proposes a novel patient specific approach for producing three-dimensional (3D) models of aortic aneurysms using Additive Manufacturing (AM) by AM Stereolithography (AM SLA) 3D printing technology from computed tomography (CT) scans of real cases. A specific elastomer was employed to match the mechanical properties of the biological tissue, particularly endowed with suitable elasticity and flexibility, and relevant for accurate reproduction of the morphology and structure of aortic aneurysms, which is essential for advanced medical applications such as surgical training and preoperative planning. A virtual model generated through CT scans was converted into a physical model using AM SLA technology, ensuring high-fidelity 3D replication. The geometric analysis of the 3D model provides an in-depth understanding of the compliance to the structural and morphological characteristics of real aneurysms, offering accurate data about size, shape, and pathology specifications. In addition, an optical analysis was conducted on the model, by investigating its transparency to the visible light for direct visualization of the internal model’s details. The results of this study offer significant contributions to improving diagnostic accuracy and optimizing treatment planning for the treatment of aortic aneurysms. The integration of rapid geometric and optical study with AM SLA 3D printing technology represents an advance in the production of realistic 3D models, enhancing preoperative clinical trials and educational applications and providing new perspectives in the treatment of this clinical condition.</p>