Does square glass tiles have any magnification like clear flat back marbles do?

I want to use flat back marble in order to magnify the picture underneath, but want the shape of a square.Does square glass tiles have any magnification like clear flat back marbles do?
A square sided dome will enlarge, but unevenly. Whether you can find domed square sided tiles with even a uniform curve is problematic - glass tends to flatten at the corners.Does square glass tiles have any magnification like clear flat back marbles do?
no.





To magnify, you need a curve. Something flat cannot act as a lens.





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