break the mold

verb2

1. •
   To depart from a traditional pattern; to defy convention.

   • A man has to be what he is, Joey. Can't break the mould. I tried it and it didn't work for me. — 1953
2. •
   To make it impossible for an identical copy to be made.

   • When they made that one, they broke the mold.
   • When God made her, He broke the mold.