I made this in around a day and I'm quite proud of it. It has "five" Engineers in a nest, your typical Cute Suit Engie (based off my loadout in game), 2 Friengineers (loadouts from some pals in a discord I'm in), and a Fat Engie, plus the SpEngineer.
(The download is the poster in case the one in the description doesn't work)
72hr Typical Engineer Nest SFM 2017-02-11
A group of wild Engie's enjoying their nest.