The phrase "a distinctive shape of" is correct and usable in written English.
It can be used when describing a unique or characteristic form of an object or concept.
Example: "The artist is known for creating sculptures that feature a distinctive shape of flowing curves and sharp angles."
Alternatives: "a unique form of" or "a characteristic outline of".
To eliminate or change these patterns, researchers at Princeton's High Contrast Imaging Laboratory, led by Kasdin, are developing a coronagraph with a distinctive shape and arrangement of slits that alter the patterns in ways that can permit detection of planets.
Pendants in a distinctive shape representing the hammer of Thor (known in Norse sources as Mjöllnir) have frequently been unearthed in Viking Age Scandinavian burials.
The asymmetrical spore capsule has a distinctive shape and structure, some features of which appear to be transitional from those in primitive mosses to most modern mosses.
The gills are subdistant (neither close to, nor distant from, one another) and are of a distinctive shape; they are decurrent, that is, they extend down the stem, and are noticeably arched.
According to people in our village, the best of the best Nova Scotia scallops are found in the body of water we live on — an inlet of the Atlantic that's of such a distinctive shape we've picked it out from a plane while flying over Nova Scotia on the way from London to New York.
They are a small breed of terrier with a distinctive shape and have had many roles in popular culture.
In each one he captures the essence of a plant, whether it is the graceful bend of a stem or a blade of grass, the ragged edge of a leaf, the tightly curled tip of a fern or the distinctive shape of a particular flower.
"Can we say the words aloud now?" one officer finally demands after a third woman is found murdered, missing a finger and adorned with a red diamond in the distinctive shape of a five-pointed star -- the "Devil's star" of satanic legend.
Trademark law protects words and symbols that identify goods and services -- "McDonalds," the distinctive shape of a Ferrari Testarosa.
As the gunman rose from the shadows to fire, Sergeant Davis said he saw his head and then the distinctive shape of a Dragonov SVD Russian-made sniper rifle.
