Previews is made with LUXCore render FREE ADD-ON RENDER
The Native files Blender has a named and included:
** All other formats are exported as a hipoly only and have no Uv maps because i am not a problem but I use Lux Core render and this Export formats does not included becuse of tehnical problems corelations Blender-Luxcore !i added a Textures in File included except basic colors is included in FILE : MODEl_MATERIAL AND STUDIO (uncollapsed smoothing modifier format)**
It is mounted on the coordinate system (0,0,0) is in 1:1 size Use Render LUXCore Render 2.4 Model is medium quality. Variation of Color in back.
P.S .: Priority - produced in Blender program builds -** Blender 2.83.6**