I guess Drew has probably his own reasons for this (BTW I did not save the photo).

But if you want to visualize it, just think of the... Death Star!




Pantazis

The core looks exactly like a giant wiffle ball:

It does look like this wiffle ball but not exactly like that as the holes are concerned.
As far as I remember first of all, the holes were smaller in comparision to the ball.
Then there were first off all 12 holes, arranged like the faces of a dodecahedron (but how could I tell if they really are "under the faces")
than around each of these 12 holes there were another 5 holes of the same size, arranged like the edges or corners of a dodecahedron that are arrayed around every face (but again, how could I tell if they are really there, I am just describing to make it easy to visualize).
Then, as I recall around each of these 20 or 30 (depending if they take place of edges or corners) additional holes there were 9 other holes of the same size in a close radius. Not arranged circular but kind of triangular around the hole in the center.

This is about what I remember but I can't tell exacty. The only thing I actually really know for sure, is that there were many holes and some of them hat a lot of holes in a close distance around them.
Oh and I am almost 100% sure that all the holes had a pattern.
So don't try to design this puzzle at the base of my description now.
Unless of course you are Drew himself and just correct all the mistakes. But why would you?

Well obviously the holes are specifically patterned to anchor the centers and spindle parts. I used that example with the assumption that that was a given.

the holes just surrounded all of the dodecahedron corners, they serve no mechanical function other than to lighten the load

Totally off topic but I'm just curious? Do you ever sleep

I sleep a lot! mostly just long long naps, but for ex, I plan to crash in an hour =)

I, on the other hand, will up for many more hours sifting through accidentally deleted files recovered by this software, then an 8 hour work day.

And yet...you are still awake.