Paper used in this video: 16 squares, each with a side length of 7.5 cm (3 in), kami
Finished model: diameter of 15.5 cm (6 1/8 in), depth of 2.75 cm (1 1/26 in)
This video describes how to fold an origami pinwheel star designed by Dáša Ševerová.
If you mount the model on a stick, you can even use it as a pinwheel, transforming this stunning modular into an action model that spins beautifully!
Actual folding time: 25 minutes (including explanations)