Multiple offerings in trench style drains solve installation problems and visually enhance the space in that the floor need slope in only one direction, so larger format tiles can be continued from the floor into the shower. Prefabricated no-threshold sloped shower floors eliminate guesswork, making tile installation more consistent. There are even no-threshold shower kits for the appropriate application.
Books have been written about good shower design, so consider this just a teaser of a look at how our mandates for this space have expanded, as have its parameters and product options. As we head into an era where water usage is restricted by both code and conscience, and where technology is changing our experience, we have a lot to learn!