This is a beginner tutorial to introduce the methods of importing Blender Grease Pencil sketches into the Epic Ecosystem. The Blender Grease Pencil is a 2D drawing system in Blender that allows users to draw directly in the 3D viewport. It can be used for 2D animation, storyboarding, 3D sketching, concept art, and illustrations. There are a few simple ways that we can bring Grease Pencil data over to the Epic Ecosystem of tools, which can help in creating non-photorealistic styles.
https://dev.epicgames.com/community/learning/tutorials/ra15/unreal-engine-fortnite-importing-blender-grease-pencil-sketches-into-the-epic-ecosystem