This is one of the finished right hub halves, outside view. This is part 2, drawing 4.

This is one of the finished right hub halves, inside view. This is part 2, drawing 4.

This is one of the finished left hub halves, outside view. This is part 1, drawing 4. The spokes holes are offset 10 degrees from the right hub half.

This is one of the finished left hub halves, inside view. This is part 1, drawing 4. The alignment dowel pins are pressed in these halves.

Here is a shot of the finished ring gears. Three of the holes are 1/4-20 clearance. The other three are 0.251" for the dowel pins.

This is a shot of the hub halves and the ring gears all together. Detail is lacking here but there are parts for two hub assemblies here.

This is the hub stackup as viewed from the right hub half through which the ring gear can be seen.

Here are the two views of the stackup. Two units, one of them is just flipped over.