Gravity Well Education

Objects with mass distort Spacetime in a way that is refered to as a gravity well. Two objects attracting each other via gravity is a little like two bowling balls on a mattress rolling towards each other. I was listening to the WTFFF Podcast and I heard Tom Hazard talk about a 3d printed display of how gravity wells worked. I wanted to print it but I couldn't find it. Then I realized that I could just design what I thought it would be in blender using the two attached photos to scale the size o