What is 3D? 3D is 3-dimensional. 3D modeling is the process of creating digital representations of objects or structures in three dimensions using specialized software.

These videos illustrate the difference between 2 dimensions, which is flat, and 3 dimensions, which has 3 spatial dimensions (width, height, depth),

2 Dimensions

3 Dimensions

3D Modeling is the creation of a digital asset that can be used. It can be used to 3D print things, or used in the digital world.

Check out this 3D modeling overview video

Want to learn how to 3D model? Start with Tinkered, to learn the fundamentals, and then step up to Blender

Tutorial on Blender:

Tutorial on Tinkercad: