This image of simple geometry is ineligible for copyright and therefore in the public domain, because it consists entirely of information that is common property and contains no original authorship.
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There are some court cases related to threshold of originality in Brazil. According to one study, and the court decisions contained in it, the concept of creativity in Brazil is way more strict and exigent than in the United States, and consequently the threshold of originality is considerably higher than the United States, which is the general reference in Commons. See COM:CRT/Brazil#Threshold of originality for more information.