Here is the assembled hub, an oblique view from the right hub half.

Here is the assembled hub, an oblique view from the left hub half.

Here is the assembled hub, an end on view of the right hub half.

Here is the assembled hub, an end on view of the left hub half.

This is a side view of the assembled hub. It looks boring without all the holes in view.

The proud owner and developer, 64 machining hours later. That's my giant slide rule in the background.