Hi all, I wanted to redo pendants based on marbles such as the double-marble pendant for instance: I like the idea of mixing common existing objects with 3D printed models. I came up with the Moebius Torus, that I caled Mob-Tor to have something shorter. The idea is to put a number of marbles (for instance 3) into a torus, so that they can revolve inside it. To do that you have to cut this torus into two and keep only one half. I cut it a "twisted" way, like in a Moebius ring. Here is a rendering of the half Mob-Tor to understand better: The result is similar to the Twin Rail Mobius Pendant of Stop4Stuff or the One ring to pwn the ball of TerraCotta. These models are quite famous so I guess they have inspired me. The marbles are forced to move into "tunnels" like the first one (at least partially) and move along a simple circle like the second (see the video). This is still a prototype, I don't even know if the marbles will stay inside the model without falling (or if at the contrary they could not be inserted). So perhaps some adjustements are needed. I also plan to have the two halves printed along with 3 marbles to get the Mob-Tor with marbles: Here it is easier to see the original torus. Once again, I have to test if this model is really stable or if the marbles will be easy to move. Any comment is welcomed. Thanks!