Snowflake (CFW 121)
This elegant star of hexagonal symmetry looks best in back light or when folded from thin, semi-transparent paper. Designed by Shuzo Fujimoto.
Tracing paper
Tracing paper is mostly transparent and usually quite thin. However, it has the tendency to break when folded multiple times. Tracing paper is usually white but colored tracing paper also exists.
Flower Icosahedron (StEM)
This is an icosahedron (or dodecahedron, depending on how you look at it) made from a modified version of Sturdy Edge Module (StEM), a 90-degree unit variant...
Ruff Corrugation
A very simple design, so it’s probably been invented before. Inspired by Pineapple Tessellation and its variants. Paper aspect ratio of approximately 5:1.