Sketches are typically viewed as fast drafts of a certain shape. For example, the following diagrams show a hand-drawn sketch of a square and a sketch of a cube, respectively. The main point of these is to provide a rough idea of an object. In the following sketch, we are communicating the idea of a square, without specifying how big that object is:
Similarly, the following sketch communicates the idea of a cube, without specifying how big the cube is:
SOLIDWORKS sketches are a bit different. In SOLIDWORKS, ...
