How can I draw isometric dot paper with a scale size of 1cm with TikZ? - TeX - LaTeX Stack Exchange

I would like to put 1cm isometric dot paper into an exercise of the exam for my class, so my students can draw on. My apologies for no MWE. I haven't got a clue where to start. See image

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How can I draw isometric dot paper with a scale size of 1cm with TikZ? - TeX - LaTeX Stack Exchange

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