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. The straight curtain rod will need a shower or bathtub that is design in three-wall space only, even if it can be install in regular space, it will spend a lot of space that can be useful for other things, so it is not efficient. Architecture.