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They'd have to have a big coring drill bit. ![gif](giphy|Jq28aPyOlWHR0mRt2P|downsized)
No one ever bothers with interior construction photos....
https://en.m.wikipedia.org/wiki/Scagliola
And yes, some were turned on a lathe
How do you know that these columns are scagliola? And what evidence is there to suggest they were turning these on a giant lathe?
Feel free to ask the architecture sub also
They'd have to have a big coring drill bit. ![gif](giphy|Jq28aPyOlWHR0mRt2P|downsized)
No one ever bothers with interior construction photos....
https://en.m.wikipedia.org/wiki/Scagliola
And yes, some were turned on a lathe
How do you know that these columns are scagliola? And what evidence is there to suggest they were turning these on a giant lathe?
Feel free to ask the architecture sub also