A complex modular origami by Daniel Kwan.
A simple modular origami by Nina Ostrum.
An intermediate modular model with lots of assembly possibilities.
A modular unit from which you can assemble anything you want.
Made from 20 white pieces and 12 black pieces, by Mark Leonard.
A fairly easy modular by Dennis Walker.
A ball-like modular origami by Mio Tsugawa.
It seems like the paper “rings” are impossibly intersecting, but actually it’s made from 6 pieces by Thoki Yenn.
A shuriken like modular star by Robert Neale.
An action model made from 8 Tung Ken Lam’s jitterbug modules.