suru verb (special), transitive verb
General imitation of appearance, behavior, or style. Can be neutral or negative depending on context. The gloss 'mock' is a possible nuance when imitation is done derisively, but the core meaning is imitation.
See also: 真似る
彼は先生の話し方を模した。
He imitated the teacher's way of speaking.
This building was modeled after a temple in Kyoto.
suru verb (special), transitive verb
Used for tracing a drawing or forging a signature/document. Implies a precise, often manual reproduction.
彼は地図を模して、もう一枚同じものを作った。
He traced the map and made another identical copy.
犯人は署名を模して小切手を偽造した。
The criminal forged the signature and counterfeited the check.