Looking at how they designed their consoles during the last 2 gens, I'm inclined to believe that it is not a good rumor.
Like seriously, would Sony really take a chance to make the console look like it's bottom half has carried an accident or something ?
They're just to safe to do that.
Not sure what gen you might be referring to but if you have a look at this gen with the recent Pro and Slim etc, I wouldn't put it past them using this or a similar design.
Maybe, maybe not. Its just a rumour after all. Will wait and see.