Surgical Aortic Valve Model

I am a cardiac surgical resident in the UK. I was frustrated at the lack of availability of surgical models for practice. I therefore bought the Anet A8 for the purpose of this project.

5 Versions later I feel I have: a model that is anatomically correct as viewed by the operative surgeon (~25mm annulus diameter), can be used to practice the aortotomy or incisions for root enlargement procedures, can be used to practice the placement of annular sutures and even be used to practice sizing and