Cardboard prototyping helps quickly and cost-effectively create tangible representations of concepts using simple craft materials. It involves creating physical models that simulate the key elements and interactions of a service. The technique is particularly useful in the early stages of the design process when ideas are being explored and tested.

Let's say a design team is working on improving the check-in process at a hotel. They want to explore different possibilities and evaluate how guests interact with the reception area. Instead of immediately investing in expensive renovations or digital systems, they use cardboard to create a scaled-down replica of the reception desk. This model could include elements such as signage, key card machines, and guest registration forms. They may also create cardboard cutouts to represent guests and staff members who are part of the check-in process.

Using this model, the team can simulate different scenarios and observe how guests navigate the reception area. They can test different layouts, signage placements, and interaction flows, taking notes on what works and what could be improved. Based on their observations and user feedback, they can refine their design ideas and iterate before moving to more advanced stages of implementation or high-fidelity prototyping. This allows them to gather valuable insights early in the process, saving time and resources.