In addition to its design with a circular outline, Mitsuba-aoi includes designs with angular outlines (Moriyama Mitsu-aoi, Saijo Mitsu-aoi, etc.) and gokan (五環) (five aoi-mon arranged in a circular pattern).
外郭が丸（輪）であるもののほかに、隅切り角（守山三つ葵・西条三つ葵など）のものや五環であるものもそういう。