Interior Design Toilet [ 3.8m x 2.8m ]

My first VRay mini project. One tutorial suggest beginners to simply follow one concept exist out there so that we will be able to concentrate more on the technical side. Took seven days to finish this project. Advice to many who just started learning VRay... VRay tutorials are the most helpful and reliable tool. Understand simple technical side can help you way faster figuring out how to control the lighting and what kind of render setting you would want to go for.

Any advice on this? Appreciate your time.