Why does my garage floor have this design cut in it?

carbin 0 89

Why does my garage floor have this design cut in it?

Why does my garage floor have this design cut in it?

Sorry not the best pic of it. My garage floor has this design cut in it. The cuts are only about 1/4” deep but have holes drilled where the lines intersect. Can anyone tell me the purpose of this?

submitted by /u/Koots789 to r/garageporn
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