Try the SketchUp Warehouse, it has at least one model very close to what you're looking for.

H

Thanks for your prompt response.
I've just found one, but, unfortunately, I'm not able to open it into Sweet Home 3D. How can I import a SketchUp model?

Hi everyone, this is my first thread in this community.
I'm looking for a 3D model of a corner bathroom sink, very similar to the one linked below: