Designing in 2D for a 3D space does not work down to the simple fact that you cannot immerse yourself in to a 2D environment. The primary purpose and function of 3D visuals is to create environment as real as it can get to help aid in making that crucial decision of whether it can or will work for you.
Based on the same principles used by interior designers and architects, the aim, purpose and objective here is to spend a little more time on the concept and development stage, find the strongest viewpoints, experiment with lighting, materials, finishes and product placements and to get it right 100% and ready the final build.
This process helps both the you and the stand builders in eliminating any doubts and guess work on whether the stand will look good, have enough visibility and exposure for both you and your brand.
How does this help you?
Simple answer, this process can save you money in long run as it avoids any costly mistakes that could be made during the production stage. Example, not enough or wrong choice of lighting, poor product placement, poor brand visibilty etc