the simple fact is that a 'stopgap 3D model' doesn't really make much difference - you might as well request the proper plane, as the 3D work required is a ton of work, either way.
i realise you don't mean to imply the 3D is easy, but that is almost always the way a 3D guy (which i am not, either!:D) will interpret a request like this.
that aside, i would also like to see improved WW1 models, but due to how much time and effort it takes, i am fully aware that the 'easy' changes are just as time-consuming as major changes.
we desperately need more modellers, as the few we have are literally booked up for the next year, at least.
and considering the turn-around time, vis a vis making a request, and making a 3D model, is a laugh.
5 minutes tops, to make a request, 5 months roughly, to make the 3D....go figure. it's not surprising the guys often get disheartened with comments in the requests section, like 'oh, just add this model or that model, no worries'...you know what i mean, i'm sure.
i'm not pointing you out here, just something i feel i need to remind everyone of every now and then.
consider the above, consider the amount of requests we get daily, consider the time it takes - and you'll realise that, to do only half of what has been requested so far here, will take our existing modellers much longer to do than the span of their natural lives will allow.