The blind can be really very simple and assemble without tools! From the price-performance-wise it's also ok. The only suggestion would be, that there should be 2 variants, where the rope could be left or right, as it can possibly be a bit annoying with the window handle ... And what is still to note that the window in a niche or wider outer frame are not fully open, since precisely the role takes up some space. But that's not really relevant to me. I'll even 1-2 order certainly more of it.
