The phrase "an array of designs" is correct and usable in written English.
It can be used when referring to a variety or collection of different designs, often in contexts related to art, fashion, or product development.
Example: "The new catalog features an array of designs that cater to various tastes and preferences."
Alternatives: "a variety of designs" or "a selection of designs."
He also liked throw pillows by Josef Frank, in an array of designs.
Among an array of designs, she came up with ankle-length skirts; tailored silk shirts precisely matched to gabardine pants; and linen and Dacron suits and jackets that could be combined with a print shirt or a print kilt.
The minute-and-a-half long video is a dizzy display of Joan (literally) spinning and being all-around fierce in an array of designs by Rodarte, Altuzzara, Balmin and Anthony Vaccarello.
An array of designs and straps were shown on stage, before the audience rose to give Cook a standing ovation.
I stopped by recently and found, among other things, an array of design tools used over the years.
I learnt how to work an array of design techniques and tools; one day I would be designing a handbag, the next mocking up jersey wear for the new collection.
Described as an "urban insertion" by its architect/builder, RMJM Hillier of Princeton, the structure presents a distinctly modern face in an older community that already includes an array of design styles.
Mobile terminals operate on inherently resource-constrained devices, thus an array of design challenges confronts smart phones for next-generation mobile computing.
While Ms. Stewart's company has a contract giving Kmart exclusive rights to an array of product designs, she is not a member of its board.
This year's event honoured fashion designer Tom Ford who was the star of the night, with both the man himself in attendance and an array of his designs worn by a long list A-list attendees.
Arcell Cabuag draws an exuberant line dance from one corner of the stage to the other as the song "All I Do" plays, creating — as Mr. Brown accomplishes so easily — an array of spatial designs.
