fig2
From: 3D printing applications for percutaneous structural interventions in congenital heart disease

Figure 2. CT images (A) are used to create a digital model (B) and to assign tissue properties (C); the multi-material patient-specific 3D model (D, E) is then printed to replicate the mitral valve leaflet geometry, regional calcium deposition, and pathology. Reprinted with permission from Little et al.[16]. CT: computed tomography; 3D: three-dimensional