"symmetrical shape" is a correct and usable phrase in written English.
It refers to a shape that is balanced and mirrored on both sides. Example: The snowflake had a beautiful, symmetrical shape with six perfect branches extending from its center.
With its natural, symmetrical shape, it easily holds ornaments.
Its conical, nearly symmetrical shape indicates its eruptions tend to be less violent than the kind that blow the tops off mountains.
The steel beam, in the symmetrical shape of the cross, was discovered on Sept. 13, 2001, by Frank Silecchia, a construction worker, as he searched for survivors.
Then it was finished into a symmetrical shape and polished for hours, most likely with a piece of leather and ocher powder.
Because of the symmetrical shape of many of the mounds and the way they slant to the north, there is some speculation that they may have had an astronomical purpose.
Visitors to his Paris studio often notice that manuscripts are beautiful - not just in their painstaking calligraphy, but because a passage may be conceived as a symmetrical shape of notes on paper and only later given musical substance.
Sakharov had designed a chamber that was compact, symmetrical, shaped like a doughnut the torus.
Sakharov had designed a chamber that was compact, symmetrical, shaped like a doughnut — the torus.
(Namely the symmetrical shapes assumed on the ground by discarded tangerine peel, and seen ubiquitously in nature).
An open chest and strong, slender arms made for clean lines in a succession of symmetrical shapes.
The game obviously fulfils the "bright colours, symmetrical shapes and simple sounds" elements of the supernormal stimulus theory.
