The phrase "a kind of prototype" is correct and usable in written English.
It can be used when describing something that serves as a preliminary model or example of a particular concept or product.
Example: "The new design is a kind of prototype that will help us test the feasibility of our ideas before full production."
Alternatives: "a type of prototype" or "a sort of prototype".
It was a kind of prototype of the rock band Hawkwind's epic Space Ritual of the early 1970s.
Dee also ties Molly's fate to the fate of this "defanged" art, since she is a kind of prototype for what men want.
And Mr. Newman, at 20th Century Fox, cited "The Simple Life" as a kind of prototype for how to develop and sell a reality series.
Like Sinclair Lewis's Elmer Gantry or Harry Crews's nameless gospel singer, this renegade advocate for a church without God is a kind of prototype Johnny Rotten.
Humphreys also includes Biber's mesmerising Passacaglia, a kind of prototype for Bach's Chaconne, and Ysaÿe's Sonata No 2, inspired by the Partita, and she rises emphatically to their challenges.
The version I am using is a kind of prototype, known as the Explorer edition, dispensed by Google to a select group of US explorerss" who pay $1,500 for the privilege.
Over the next two years Sindelar, playing as a kind of 1930s prototype false nine, would score 16 goals in 16 games as the Austrians battered allcomers.
Such compromises rarely bothered Fuller, who always saw the Dymaxion, as he saw much of the world, as a kind of provisional prototype, a mere sketch, of the glorious, eventual future.
Hence the reason that there's only one Ken Barlow, who serves as a kind of failed prototype, offering no real challenge to the comfortably settled class structures of the Street.
The company has discussed its willingness to license the Nokia brand to new third-party hardware devices, and it also aims to begin building new and innovative hardware through a kind of rapid prototyping skunkworks it established post-Microsoft sale.
In order to fabricate the scaffolds, biomaterials, β-tricalcium phosphate (β-TCP), and polymeric blends were used on a selective laser sintering (SLS) system, a kind of rapid prototyping machine, to produce specimens.
