What is the standard for building the Masters Cup?

The standard size of the main engine cup is mainly: 9 × 5.

Through the analysis of unearthed and handed down Jianzhan specimens and the whole device, it can be found that the kiln builders in Song Dynasty drew blanks according to certain specifications when making Jianzhan.

Large bowl, the caliber is above 15cm: it is mostly used as a tea cup, and some can reach 28cm or even larger;

Medium-sized bowl, the caliber is between 1 1~ 15 cm: it is mostly suitable for fighting tea, mostly for deep belly;

Small bowl, the caliber of which is below 1 1 cm: it is mostly used for distributing tea, and it is the instrument for guests to drink tea. Of course, some bowls are larger than 12cm, so we can't generalize.