If you sell comics at places like comixology .Who keeps the copy rights ?

a lot of the made out of real paper publishers "not pdfs" sold at real world stores. keeps the copyrights.is why I ask.

There's a lot ,I mean a lot of characters n meshes at sketchfab. but I don't see them sold for Poser,DAZ,Turbosquid,Unity,Unreal or any where. Guess most are for fun n not opportunity.

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