Do I need to unwrap my model and export lightmap UV coordinates to Shapespark? July 06, 2020 12:43 Updated No, Shapespark automatically generates lightmap UV coordinates. Related articles What are the optimal texture sizes to use in scenes? Do I need to bake the scene after every change made to the scene? What is the scene size (polygons) limit? Which material properties are imported into Shapespark? Can a 3D model be created in Shapespark?