|Trianon Palace Versailles|
|via The Decorista|
|Kelly Wearstler via Elle Decor|
The wide stripes in design are so impactful because of just that - their width. I think that regardless of the color combinations (which the most popular seems to be your good old black and white due to the high contrast) or the degree the angles meet, the consistency of size forces a pattern visually that makes an impression. The volume could be controlled by the color combination choices. The plain vanilla vertical ones are just as bold as creating patterns with the repeat (zig zags, slants, concentric boxes). The way I see it, a stripe is a stripe is a stripe and stripes are classic.