垂直面

zhǐ yào suǒ yǒu chuí zhí miàn zài yī gēn xiàn shang tú àn kàn qǐ lai jiù huì hěn zhěng qí

只要所有垂直面在一根线上，图案看起来就会很整齐。

As long as the verticals align, the design will look regular.