Logos and icons must all be in vector format in order to create a 3D version of them.
Include all fonts that are going to be used in the content.
Any textures or images must be included with the models.
Any textures or images must be included with the project files. Before sending a .BLEND file, go to File - External Data - Automatically Pack Resources.
All images and textures must be high resolution with minimal compression.
All videos must be high resolution with minimal compression.
Each layer can be separated in 3D space if the layered file is provided.