Three-dimensional printing company Biomodex, which develops organ twins for advanced physician training, is expanding into the interventional cardiology space with the launch of the Left Atrial Appendage Closure Solution (LAACS). Unveiled at the 2018 Transcatheter Cardiovascular Therapeutics (TCT) conference, Sept. 21-25 in San Diego, the LAACS allows physicians to train on an ultra-realistic, multi-material, 3-D-printed heart.