Received this Celestial icon smashed in the mail a few weeks ago.
I repaired it with two part epoxy, trying to leave the cracks as small as possible.
I had to rebuild a section where the it was smashed beyond repair. In order to do this, I placed a square of wire mesh behind the hole and attached it to the inside of the base with epoxy. Then I was able to fill in the space with epoxy and sand flat when it dried.
All that's left is to paint it. I can't decide whether to try to match the paint and paint in just the cracks or sand the whole thing and then respraypaint it. The only thing being that if I redid the whole thing I don't know how I would be able to get the colors on the moon/sun, etc.
--dates on photos incorrect. They're from this week.