The practice paper given to children learning kanji is commonly partitioned into a 2x2 grid, to help with proportions -- kind of like how children learning to w

The practice paper given to children learning kanji is commonly partitioned into a 2x2 grid, to help with proportions -- kind of like how children learning to write English are given paper with guidelines for baseline, ascenders, descenders, and mean line. You can see an example of the 2x2 grid in the Nintendo kanji game on the article's "Info" page, or by searching for "kanji practice paper". The lines are meant more to help relative placement than to exactly divide characters, but many characters do divide into left-and-right or top-and-bottom portions -- see Jack Halpern's SKIP system for example: https://en.wikipedia.org/wiki/Kodansha_Kanji_Learner%27s_Dictionary https://en.wikipedia.org/wiki/Kodansha_Kanji_Learner%27s_Dic...