菱形

yóu líng xíng hé zhèng fāng xíng gòu chéng de tú àn

由菱形和正方形构成的图案

a pattern of diamonds and squares

qiē xià zhèng fāng xíng de sì gè jiǎo jiù xíng chéng yī gè líng xíng

切下正方形的四个角就形成一个菱形。

Cut off the corners of the square you can form a diamond.