This model is all optimized to make hundreds of variations in the materials and some components.
One click Storyboard and 5 renders compositing saved on the same file folder 3 models of Ceilings 2 models of handrails with shape keys variants dozens of EEVEE optimized materials Real LowPoly Less than 28k faces
Youtube basic tutorial, if you have some Blender experience, this file will be working just fine. If you are new, please ask me anything you need to know! Thanks
Attention: This is a Blender native model, all smart features like compositing the Storyboard is not avaiable outside Blender. I have exported just the meshs into other formats like FBX and OBJ.