be cast in a (some kind of) mold

be cast in a (some kind of) mold

To be of a particular type (which is specified between "a" and "mold"). I hate the snow, but my kids just love it—they are definitely cast in a similar mold.
See also: cast, kind, mold

be cast in a — mould

be of the type specified.
1991 Jean Bow Jane's Journey He was certainly not cast in a common mould. She had never met anyone like him before.
See also: cast, mould