Made from 20 white pieces and 12 black pieces, by Mark Leonard.
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 origami car that looks like the VW bug, by Charles Esseltine.
An action model by Jeremy Shafer.
Hexaflexagon action model, by Paul Jackson
A puzzle origami invented by Piet Hein and diagrammed by Sebastian M. Kirsch.
A very good modular for beginners, the modules only need 8 creases.
A very hard action model by Jeff Beynon.
This model is made of strips of paper rather than a single paper or folded modules, by Heinz Strobl.