Ok so I managed to successfully replicate a similar re-occuring issue. On the off chance did you use duplicates of the default scene cube for your models? It's probably irrelevant but it's strange to me why this is happening to just that mesh and I don't know what's causing it. https://youtu.be/1BsqteGY0l0 In this the…
So, I made a new scene to try this out again by creating a very similarly constructed cube (using add and not the default, though I'm pretty sure none of my objects in my other master file were built with the default cube as my startup file doesn't have a cube. it has an ico sphere) and well.... it just works now? I…