There are a great many derived foods in bean products!
Also an interesting ideas I saw in a Chinese Forum~
I contacted the author (named 灰姑娘) and discussed the details with her~
And then I made 4 pictures below.
She became very expansive while talking about making toufu , coz people in her hometown all are very good at it~
（1）Tool - Millstone
（2）4 kinds of bean products
*less steps than the real process
（4）Millstone can be use for other food (grain, etc.)