Window for interior/exterior made by human on Earth.Used Blender, I have a big expirience in 3-D modeling. I love Blender it`s an amazing tool.I use it window in me renders of flat and it looks preaty good.If you buy it, you will be happy)))The mesh is clear and easy to work with it.About material on glass it disolve lots of noise from image but looks like a glass.My preview image rendered in 1024 samples with Optix denoiser.