Some of my old folding experiments.
See a video of them in action here
I think the first one is what people call a waterbomb tesselation.
Number 3 and 6 I think are usually associated with Ron Resch.
I dont know if 2, 4 and 5 have been documented before.
Number 2 has a surprising very slight single curvature when fully folded, which is associated with the near packing of tetrahedra I wrote about here: