Yes, both Computer-Aided Design (CAD) and SketchUp are commonly used by interior designers, but they serve different purposes in the design process.

CAD (Computer-Aided Design):
- CAD software, such as AutoCAD, is widely used in the field of interior design. It is essential for creating precise 2D drawings and floor plans. CAD allows designers to produce detailed technical drawings, including dimensions, annotations, and other specifications. This is crucial for communicating design intent to architects, contractors, and other professionals involved in the construction or renovation process.
SketchUp:
- SketchUp is a 3D modeling software that is popular for its user-friendly interface and quick conceptual modeling capabilities. Interior designers often use SketchUp in the early stages of design to create 3D models of spaces. It allows designers to visualize and communicate spatial arrangements, test design ideas, and create simple renderings. SketchUp is especially useful for presenting design concepts to clients in a more accessible and visually engaging manner.

In summary, interior designers may use CAD for detailed technical drawings and floor plans, while SketchUp is often employed for 3D modeling and visualization, especially during the conceptual and schematic design phases. Many designers use both tools in their workflow, leveraging the strengths of each to create comprehensive design presentations that include both 2D and 3D elements. The combination of CAD and SketchUp allows designers to communicate design ideas effectively and provide detailed information for construction and implementation.