The Flying Pool
This is a fast drone-bomber with a special armor layout.
Because of its layout, it can lose most of the outer shell and still fly fine. It's largely built out of a frame of 2 internal walls connected via the ceiling and floor between them. All internal components are attached to these walls.
I opted to make the outer shell primarily out of Edge Slopes for a mix of some strength and very low weight (as they weigh less than 1/4 of what a full cube does and they're more compact in triforce weave than Sloped Corners in tesseract weave).
I find it very easy to fly and maneuverable enough to dodge most hits. It's also much faster than any tesseract I've played. It's akin to a blimp versus a zeppelin.