Complicated Window Configuration

[ChiefMango]

Hi All,

 

I have a very busy window configuration I'm trying to replicate:

 

 

A lot going on here:

 

-3 single windows (not mulled) with trim in between and an arched piece of trim above.

-Double rowlock sill

-Stacked brick legs 

-Arched brick, solider course header with a keystone

 

I can think of about a thousand ways to try to do these things individually, but I'm curious if anyone has any suggestions as to the best, most efficient way to put this assembly together. 

 

I am on X14, for reference. 

 

Thanks in advance for any help and/or advice!