Fig. 1.

Workflow showing the manufacturing of a patient-specific cardiac model. Step 1 displaying the initial blood pool segmentation. Step 2 is the thickened 3-D printed blood pool model. Step 3 is the 3-D printed blood pool model. Step 4 is the silicone mold generation using the 3-D printed container. Step 5 is the completed silicone mold. Step 6 is the silicone mold with the blood pool model aligned within. Step 7 is the completed silicone model with the blood pool model inside. Step 8 is the completed hollow silicone model.