All explanations of it show a 2 dimensional sheet being stretched by a heavy object. Sure in that case there is only one 'dimple' that is formed and it is easy to show curvature of space and planets falling towards the centre of the single dimple. In three dimensions, space isn’t like a stretched rubber sheet with a dip. it’s more like an invisible, flexible volume that can bend and change how things move through it. A massive object (like a planet or star) doesn’t make a single “dent”. instead,