Are those cubes the things that float around the

And has anyone figured out what the spool symbolizes?

Have you seen Rebellion? The spool was clearly the godess part of Madoka. And it seems more likely that the cubes are the new "grief seed"s, though an arrow would have been more appropriate there

Borrator said:

Have you seen Rebellion? The spool was clearly

the godess part of Madoka.

I did watch it, that bit just flew right over my head. Makes some sense.