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.
Heptagon
This image shows a flag, a coat of arms, a seal or some other official insignia. The use of such symbols is restricted in many countries. These restrictions are independent of the copyright status.
Legal disclaimer This image is or contains a symbol or symbols prohibited by Vietnam's National Assembly, due to representations of South Vietnam, or similar governmental structures; or of organizations associated with said. Applicable law is Article 117 of the 2015 Criminal code.
Fixed red-yellow stripes according to official construction sheet (File:Flag of South Vietnam (construction).svg): the height of each strip (red-yellow) must be 1/15 of the height of the flag; the height of the group of 5 stripes (3 red and 2 yellow) must be 1/3 of the flag height. See also the design of related emblem: File:Emblem of South Vietnam (1963-1975).svg. Optimized svg code with code cleanup and reduction. No other changes.