The low-poly model of the Time Traveling Device doesn't contain any n gons and has optimal topology. The archive with textures contains such two folders:
Glass Screen Textures 1K: base color map, metalness map, normal map (OpenGL), emissive map, and roughness map.
Time Traveling Device Textures 2K: base color map, metalness map, normal map (OpenGL) emissive map, and roughness map.
Images and video were rendered in Marmoset.