Li Shu 隸書 Chinese Calligraphy Sample Characters 守居城

[bbornets]

What is the name for this larger box of red lines for calligraphy practice in Mandarin.

My boxes seem smaller than yours. Thank you.

[artvirtue]

The red lines inside each box look like 米 (rice). So it's called 米字格 (rice character grids). They have many sizes and other formats besides 米字格.