A model sheet of a character I've developed, composited to look as if it had been photocopied to a sheet of celluloid. I hope I got the look right!

Its process was sort of a round-trip.

The original drawing was created within Krita. Next, it was imported to Tahoma2D/Opentoonz where I had applied two custom special FX macros. One macro created a shadow of the linework, like a shadow being casted down onto the surface below. The second macro muddied up the image, darkening the colors and adding photographic artifacts. The output from Tahoma was then round-tripped back to Krita where a G'MIC filter was used to apply grain.