旗 is a Chinese hanzi, listed here under the keyword “banner”. It is built from 方 (a square), 𠂉 (reclining) and 其 (his). It appears as a component in 1 other character in this index.
On KumiJi Glyph Explorer, open the parts search and type “a square” + “reclining” + “his”. 旗 is among the results, together with every other character containing the same shapes.
Open 旗 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.