A 3D model in Blender is a digital representation of an object in three-dimensional space. It’s created using vertices (points), edges (lines connecting vertices), and faces (flat surfaces enclosed by edges). Together, these form a mesh, which defines the shape of the object.

Blender is a powerful, open-source 3D software used for creating 3D models, animations, visual effects, games, and more. Here’s how 3D modeling typically works in Blender:

1. Vertices, Edges, and Faces: You start with basic shapes like cubes, spheres, or cylinders and modify them by moving vertices, edges, or faces.

2. Modifiers: Blender offers tools like the Subdivision Surface modifier to smooth objects or the Mirror modifier to create symmetrical designs.

3. Sculpting: You can use sculpting tools for more organic shapes, like characters or creatures, giving you a more clay-like modeling experience.

4. Texturing and Shading: After modeling, you can apply textures and materials to give the model color, detail, and realism.

5. Rigging and Animation: Once the model is complete, you can add bones (rigging) for movement and animate it.