This is a .blend of a classical radiator. This object is made up from quads and tris and is shaded with a diffuse Cycles shader.
This radiator was modelled for your Arch-Viz scene. I hope you have fun with it. I'd appreciate if you'd give credit to me, if not, it wouldn't be a big deal either.
If you have further questions please contact me on: markusbilz.com.