Conclusions
It is technically feasible to print 3D models of ASD from echocardiographic data. 3D printed model of ASD based on echocardiographic has high precision and can accurately retain the characteristics of original data source images. This study may lay foundation for the application of 3D printed models in procedural planning and size selection for ASD occlusion.
Acknowledgment This work was supported by Teaching and Research Project of Wuhan University School of Medicine (No. 2021014). The authors wish to thank everyone who helped us during this research.