Quite the contrary its impact lies in the unobtrusive subtlety of its design rather than its ability to make a bold fashion statement In essence its about maintaining a strict eye to detail throughout the development process Intricacies such as the radius and sweep of the lines the proportions and material thicknesses all of which add up to create an impression of harmony and a quality which the average user would be hard put to describe in explicit terms

What is the correctly punctuated version of this sentence?
Quite the contrary: its impact lies in the unobtrusive subtlety of its design, rather than its ability to make a bold fashion statement. In essence, it's about maintaining a strict eye to detail throughout the development process: Intricacies such as the radius and sweep of the lines, the proportions and material thicknesses all of which add up to create an impression of harmony and a quality which the average user would be hard put to describe in explicit terms.