"design option" is correct and usable in written English.
You can use it to refer to a choice of designs available for selection. For example, "We have many design options to choose from for the new website."
Victoria makes quick decisions, often pushing for the purist design option.
Once you get used to having one around, a hammock isn't so much a design option as a necessity.
A tradeoff between both issues should be investigated and might offer the best design option.
This physical design option is a well-studied research topic, but the proposed solutions are mostly static.
Thus, modularization could be an appealing design option for firms that wish to embed divestitures into their status quo operations.
They are based on the cCXRS layout of 2009, named as reference design option.
By focusing on the CICC based design option, the overall design procedure is presented.
Double-skin envelopes arenvelopesareive design option for high-end buildings.
An alternative design option proposes filling dry nitrogen gas in between the two ceramic windows.
Another design option available to optimize the battery performance is the separator profile.
But it is not the first time Google introduced user-controlled design option to one of its products.
