What is this close-up picture? (WotsThat: Linoleum floor texture (macro))

Question

What object is shown in this zoomed-in close-up photo?

TorchMoss · Accepted Answer

Linoleum floor texture (macro). Linoleum was invented in the 1860s and is made mostly from linseed oil, which is where its name comes from; genuine linoleum is biodegradable, unlike the vinyl flooring often mistaken for it today.

Answer: Linoleum floor texture (macro)

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