My local wargaming club is rather small, we have few people who mostly play 40k and even that is done rather spontaneously.
As a stubborn 40k rules hater who's gonna hate, I try to make turn the flow of events into more interesting direction. That's why I made 2 club armies for Epic Armageddon and now I'm planning to run some demo games.
Armies are rather small, only 1000 pts per side (4 formations each) but I was able to make each in a week.
Adepta Sororitas from the smal Dawnbearer Maidens order:


Renegades (Malalites) from the Monochrome Brotherhood, commanded by some Sons of Malice traitor marines:


Objective markers (made from paper and agile nylon rods):
