How can I create a strong cardboard chair that is both functional and durable?

To create a strong cardboard chair that is functional and durable, you can follow these steps:

1. Use high-quality, thick cardboard for the structure.
2. Design the chair with proper support and reinforcement, such as adding extra layers or using a honeycomb structure.
3. Use strong adhesive or fasteners to secure the pieces together.
4. Consider adding additional support elements like wooden dowels or metal brackets.
5. Test the chair for stability and make any necessary adjustments before regular use.