Interior Designer: Working on the WallsYou must be able to combine pragmatism and aesthetics on a daily basis. Knowing design is not the aspect of designing a space, you must have a breadth of knowledge in: architecture, electrical engineering, carpentry, textiles, and financial planning. In all honesty, being called an interior designer is a complete misnomer. We should be called interior-home- office-public space- design financial planners. Unfortunately, that doesn't flow so well in conversation.