I think most drawings looks better from one direction or the other, whether you intend them to or not.
However, there are exceptions. Recently, I was using an eyedropper to fill a fountain pen, and I wiped off the dropper on a piece of scrap paper. I rather liked the blobs I made, so did some tangling on it with the Dilli and Serwex 162 fountain pens that I reviewed yesterday.
Usually, I turn the piece around and determine which way I like best, but this time I couldn't decide, so I thought I'd let you choose. I saw something different in each version.
|Tree House with Top Hat|
|Streets of Paris|
|Interior with Loft and Doorway|