However, with L shaped curtain rod, you can install it in a spacious bathroom or the small one, as long as the shower or bathtub that you want to be curtained is placed near the wall because it needs to be installed by attaching each end of the rod to the wall. Your bathtub will look more elegant and classy if you decorate it with curtain rod. There are several types of curtain rod; there are ones that are plainly straight, there are ones that has L shape. This L shaped curtain rod is very famous because it is good to be installed in a small or even spacious bathroom. Architecture.