Four Interlocking Triangular Prisms
A complex modular origami by Daniel Kwan.
Here’s one of the most difficult origami models I made: the fiddler crab by Hans Birkeland.
It seems like the paper “rings” are impossibly intersecting, but actually it’s made from 6 pieces by Thoki Yenn.
This model is made of strips of paper rather than a single paper or folded modules, by Heinz Strobl.