The common type is a squared hall whose side ranges from sangen (approx. 5.4 meters) to goken (nine meters) in length, being called 'Ikken shimen do' (一間四面堂), that centrally contains a square hall whose side is ikken (approx. 5.8 meters) in length in which to put Amida Nyorai (Amitabha Tathagata).
一般的な形式は「一間四面堂堂」と称される、方三間から五間の方形の堂で、中央の方一間に阿弥陀如来を安置し、その周囲に庇をめぐらすタイプである。