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Lots of unfinished projects laying around. Stones are roughly 3.5" square, 4' section sitting in 6'8". Currently thinking I want to miter in four wooden 2' sections roughly 1.5" out from the intersection and get a ring around it. Then maybe carve some knots of the Celtic style.

Lots of unfinished projects laying around. Stones are roughly 3.5" square, 4' section sitting in 6'8". Currently thinking I want to miter in four wooden 2' sections roughly 1.5" out from the intersection and get a ring around it. Then maybe carve some knots of the Celtic style.

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[–] • 1 pt

I'm betting that big hole is from water standing on top, popping out a bit in the freeze and growing from there.

Quite possible. Dad was a clever soul but he may have left the tops flat not realizing long term implications. I've been scratching my head about why that hole opened up. All I could think of were some kids must have been pounding a rock on it or something. Your bet sounds more plausible.

Is there an easy way to verify the center is ~¼" higher? Poke a thin rigid wire into the uncured cement to check heights while trowelling?

[–] • 2 pts

Build your forms 3.5 inches tall. If you're using molding for detail set that at the 3" mark. If not just notch a half inch out of one end of a piece of 2x4. Fill with cement to the top of molding and vibrate. Add a couple shovels to the middle. Put one end of a piece of wood on the molding and the other end on top of the form. Screed. Repeat on each side several times, adding or removing cement as needed.

[–] • 1 pt

Maybe I'll post about this with pictures when I finally get around to it this spring/summer.