Its always a challenge to take idea from sketch to 3D. In some cases idea in sketch works but doesn’t in 3D, then question comes what to do and how to improvise and further push the concept? How to maintain he intent while shaping surfaces around the package. Well, that’s what we – designers do, it’s a challenge and that’s what interests me.
I often sketch initial concept with Photoshop and later mature it in 3d. In this case i use bender to quickly “loop” the idea and and make right decision about styling.
This is my old Photoshop sketch and recent 3d model showing the automotive design process. This is WIP model, ever living file with no end in sight: