Use a model when the design is still moving
An editable SketchUp model is useful when you need to inspect massing, compare openings, test a roofline or move between viewpoints. It gives you a three-dimensional design base. Materials can be included, but the main value is the geometry and the ability to work with it. For an architect developing options, a clean model can be more useful than a polished image of an option that is about to change.
Use a render when appearance is the question
A photoreal render helps communicate light, finish, atmosphere and the relationship between materials. It is useful for explaining a scheme to someone who finds technical drawings difficult to read. Before rendering, agree on the camera position and the elements that need to be represented accurately. A beautiful image of the wrong view is still the wrong deliverable.
Understand what each file contains
A still render is an image. It does not automatically include an editable model, extra camera angles or a drawing package. A SketchUp model does not automatically include finished lighting, high-resolution renders or an animation. Ask for the deliverables to be listed separately in the quote, including the file format and whether model handover is included.
Use both when the project needs both
A practical sequence is to review the base model first, resolve major geometry changes, then approve materials and cameras before final rendering. This makes feedback easier to locate. You can discuss a window position while looking at the model, then discuss the tone of the cladding while looking at a render. Neither output guarantees planning approval or replaces the project's technical checks.
Choose around your next meeting
If your next meeting is about layout and options, start with the model. If it is about communicating the selected design, ask for the views that tell that story. If you are uncertain, send the plans and explain the meeting: I can quote the relevant outputs instead of assuming you need every service.
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