4 ms·Is it interactive 3D or just a video? The app size is 215mb tooby aheze 4y agoIs it interactive 3D or just a video? The app size is 215mb toosphars 4y agoIt is indeed interactive. You can pause the animation, rotate, zoom and proceed step by step. Well worth the price and disk space.Jarmsy 4y agoI was expecting interactive simulation. For just a rotatable pausable animation I'd prefer it to be a website.