On Thursday, July 30, 2020 at 11:57:25 PM UTC-4, wrote:
At this stage it looks like an icosphere in Blender in wireframe mode.

It could be an icosphere or more probably a UV sphe

https://i.stack.imgur.com/p7TuV.png

As the proto-Earth is compressed in Saturn, it has things which affix to the compression state at each point of reduction, allowing things to be later cut in the reverse sequence allowing it to be expanded back out in a controlled manner.

At least that's one possibility.

--
Rick C. Hodgin