The phrase "build a prototype for" is correct and usable in written English.
It is typically used to describe the action of creating a model or initial version of a product or idea. Example: The engineering team was tasked with building a prototype for the new electric car design.
After investigating a number of technologies, the ministry contacted Fransham and asked him to build a prototype for the province.
The most dramatic challenge for the institute, considering its location in automobile-choked Southern California, is to build a prototype for an "intelligent transportation infrastructure".
Recently, Ricardo joined forces with Peugeot Citroën and QinetiQ, a technology solutions provider, to build a prototype for a family-sized diesel hybrid.
Last year Google selected Kansas City, Mo., to build a prototype for speeds of at least a gigabit — 1,000 megabits per second.
Co-design sessions introduced participants to the design process and had them work in groups to build a prototype for a water collection and transport device.
A Hispanic-owned firm whose workers have been threatened and harassed for security projects along the Mexico border was chosen Thursday to build a prototype for President Trump's long-promised border wall.
Grinna was asked to build a prototype of the application for Brown University's Alumni Association board in two months.
On his return to Denmark, he built a prototype for a low-cost, courtyard house.
Attorre, Marino, and Johan Adami, a fellow Masters of Engineering Computer Science '16 alumnus, built a prototype for Uru in Startup Studio.
It has built a prototype for a hut which would cost about £600 and – in theory – provide a much better temporary home than a tent.
He built a prototype for his 6-year-old daughter, and rave reviews from around the neighborhood convinced him that it had commercial potential.
