no copy - NicheInterests/mistfunk GitHub Wiki

NO COPY

  1. adj. A piece of artwork that is 100% original, no reference was used or copied from in the creation of the artwork. antonym: copy (obviously)

from The Artscene Dictionary

(This is demoscene terminology; in the '90s, artscene denizens would have said "[freehand]" to mean the same thing.)