form or mold bonsai pots / kataoshi de tsukurareta bonsai hachi (型押しで作られた盆栽鉢)

kataoshi" (型押し) can also be used to describe a bonsai pot made using a form or mold in Japanese.  Therefore, the translation for "bonsai pot made by a form or mold" using "kataoshi" would be:  "kataoshi de tsukurareta bonsai hachi" (型押しで作られた盆栽鉢).

This term implies that the bonsai pot was crafted by pressing clay into a pre-made form or mold to shape it.indicates that the bonsai pot was formed by spinning the clay on a potter's wheel.