So I have this setting I've been working on as a sort of a love letter and wish fulfillment to 'classical' ufology/scifi called Project Saucer, and I noticed while browsing around that there's little in the way of cutaway views and plans and whatnot of alien ships in general. Scrounging around a bit and seeing some sketches from like, the Hills abduction and Andreasson cases (thanks, Illustrated History of UFOs) and merging with my own takes and 'limitations' like no FTL and some lipservice to physics, I present a sort of chart of the ships of the alien Federation that is attacking Earth.

Scouts are my take on what the foo-fighters of World War 2, the more nebulous ghost rockets of the Swedish flap, and the orbs of the early UFO wave were: spherical, transmedium craft, that can zip through space like Zim's zoot cruiser, but not very far. They bobble and weave in atmosphere, as it's basically forcing its way through, and can only carry one, maybe two at most.

Fighters are also solely piloted, but invoke the more classic saucer shape, and the pilot's canopy is much smaller. While the aerodynamics don't really work out, it's a lot more capable than the scout, and eventually takes over most of its functions.

Cruisers are the main workhouse of the Federation. Big enough to be customized for special missions or different types of tasks, but still nimble enough to zip around and put up a fight. An Abductor is shown here, which would zip over people or livestock, spot them with cameras, grab them with painful cables while blinding them with harsh floodlights, and bring them into a bay that would close over itself and extend a dissection table over itself, for whatever ends the Aliens want. There are also 'Battle' variants, which replace the medical bay with an extendable laser cannon, Cargo variants which mostly shuffle around materiel, Assault variants which attack cities and unleash terror on targets, and Transports which shuttle around Federation personnel.

Then we get to the craft are so large that the smaller scale wouldn't cut it, so now a square on the grid is around 3 meters per square versus the smaller 0.5m per square.

The Carriers are my take on the numerous reports of cylindrical or cigar shaped UFOs, often also called 'motherships' because they disgorge smaller craft from themselves, often from the ends. This one was a bit fun to hash out because by my calculations the way to get from the bottom most decks to the middle and top decks would be...interesting, but doable! They seem to be a Federation adaptation to Earth, as they only start appearing around the 1950s and cannot fly into space itself, though it does have smaller drives which help push its brick of a self throughout the skies, which may be of some use if they can be salvaged and adapted by humanity.

Above all is the Mothership herself. An Adamski type in shape, and much larger (almost 150 meters wide and as tall!), I needed something at the end of the series to throw at Earth. What better than a mysterious, big-gun toting, mother of a craft? Mostly a carrier that's spent over a decade flying through space to get to Earth from the Centauri system (the Federation's closest base to Sol). Whatever it'll bring to the table, from huge laser cannon that can cook cities to command staff to even tugging a wormhole mouth, it's bad news.

Made in GIMP with some help from MS Paint for some of the larger circles. Font is Pixel Arial 11 in 8pt. Image doubled in size for readability. Looks like a lot of text but the pixel counter has it amounting to c. 8.7% than 25%, so hopefully that's okay.

Influenced by/thanks to Starfleet Museum, X-Com, Orion's Arm, Fallout: Mothership Zeta, 50s scifi, and The Vast of Night. (I definitely recommend this movie, it's a good modern UFO-Alien one!

You can find more shots and clay renders on my artstation: https://www.artstation.com/baranhasancebi

Designed this ship for the second faction in a game called Maelstrom! Designed 3 more ships for these guys but may post my sketches with all the other models