Understanding how to use 2D CAD is a requirement in a variety of professions such as mechanical engineering, design, and architecture. Likewise, it is not necessary to model an entire floor plan in 3D - such as doors, windows, furniture, and all other essential elements - when it is possible to simply produce a top-view layout that employs symbols to indicate locations and dimensions of the floor plan. ![]() For example, if you are CNC milling a flat object such as a business sign, you only need to create the object from one view point. There are several practical applications for limiting your design to two dimensions. ![]() This contrasts with 3D CAD, where the projected views are generated using a 3D model of the object on three planes (x, y, and z-axes). ![]()
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