The effect Moiré is an interference pattern that is formed when two line grids, either straight or curved, overlap at a certain angle. Or when grids have slightly different sizes.
You can download and print this model to observe de Moiré Effect:
![Building a 3D Model to observe the Kinetic Moiré Effect](https://grafoso.com/wp-content/uploads/2022/11/grafoso_kinetic_moire_3d_model_2-1024x768.jpg)
You can download the stl files here: