The phrase "as a possible template" is correct and usable in written English.
It can be used when suggesting a model or example that may be followed or adapted for a specific purpose.
Example: "You can use this document as a possible template for your project proposal."
Alternatives: "as a potential model" or "as a possible guideline".
Indonesia is seen as a possible template of how to deal with Muslim democracies and markets, new and old.
When Thomas Jefferson passed through, in 1788, he sent a sketch of the street plan back home, as a possible template for the layout of Washington, D.C.
Decades later, Soviet archives would show that North Korea pushed the Soviets to go along, but Truman and his advisers saw the invasion as a possible template for Soviet military action elsewhere in the world.
It's riveting theater, and John Birmingham, a columnist writing in The Sydney Morning Herald, noted that the speech had been seen as "a possible template for Obama to review before he gloves up to face Romney in their second debate".
There are strong arguments supporting a role for the plant extracellular matrix and the β-1-3-glucan, callose, has been identified as a possible template for silica deposition in the common horsetail, Equisetum arvense.
Another case study to back the idea of a single provider operating a number of subsidiaries cites as a possible template the for-profit AMEOS German hospital group which runs 68 facilities in Germany and Austria and provides a significant amount of public healthcare.
Today's independent central banks provide a possible template.
A performance space, Firehouse 12, is drawing packed houses, providing a possible template for clubs catering to avant-garde tastes.
Figure 3c show a possible template for such data representation.
For example, a motif template may be specified as M1[5,10] M2, | M1| ∈ [2,4], and | M2| ∈ [6,7], which means that we have to consider NN, NNN, and NNNN as the possible templates for M1 and similarly for M2.
If you don't here are lesson plan templates that teachers last year suggested as possible templates.
