This hour glass was modeled as a metaphor for a health book. The hourglass diagram had a lot of words up and down each side so this glass was modeled by MDT to be a simple as possible so as not to distract from the words or the main message. All the hourglasses found in stock images were just too busy, distracting and had a lot of support columns that got in the way. In 3D you are able to manipulate the perspective, lighting and shadows giving you exactly what you need for the book layout.