Celtic Knot

The use of interlace patterns had its origins in the late Roman Empire.<a href="https://en.wikipedia.org/wiki/Celtic_knot">[1]</a> Knot patterns first appeared in the third and fourth centuries AD and can be seen in Roman floor mosaics of that time. Interesting developments in the artistic use of interlaced knot patterns are found in Byzantine architecture and book illumination, Coptic art, Celtic art and Islamic art. Celtic Knot STL

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