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I would like to make my own design finials for the bottom and top posts that hold my stair banister. I found 4-1/2" crystal balls that I would like to mount on top of a wooden plate that goes on top of the post and the plate is just a little wider than the post.

Is there any way to attach the crystal ball to the post? Can I somehow drill a hole in it and stick a dowel of some sort in it whose other end would go into the wood?

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thanks @mike, i was wondering how to get in touch with those people – amphibient Nov 3 '13 at 21:58

I think trying to bore a hole up into the crystal ball will detract a whole lot from appearance of the ball. Drilling such hole would not be particularly easy and could lead to fracture of the glass if the proper tools were not used for the drilling operation.

If I were you I would make a visit to an old fashioned lamp store (the kind that sell all manner of lamp parts for building your own lamps) and see of you can find nice brass or chrome round lamp piece that was maybe 3 inches in diameter that you can re-purpose as a nest piece to secure the crystal ball. This piece can then be secured to your base plate board. I would use epoxy to secure the ball to the metal lamp part. Place the epoxy underneath so that it does not show.

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i might ask a shop to make me a ball with a dowel set in it already, maybe a metal rod that has an aesthetic tone – amphibient Nov 3 '13 at 21:54
The ball will act like a lens, magnifying your view of any dowel, rod or hole you put in the crystal. – Wayfaring Stranger May 20 '14 at 11:58

I'd consider cutting a shallow hole in the top of the wood piece, such that the bottom of the ball hits the bottom of the hole while the sides of the hole contact the ball.

Then I'd use an epoxy to secure the ball in the hole.

I think you'd need some test pieces of wood and ball to try with, but if you made the hole not too small, then you'd have a good surface to epoxy to, and the ball should stay put.

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