We would like to design a new exhibition display. We would like to have mix and match display panels, so we could decide which were best for the type of exhibition we were attending, and we would need enough different panels so we could have at least two smaller exhibition displays as at times we have more than one function to attend at the same time. Some booths are also larger than others, so we would like to have the option of using more or fewer panels depending on the situation. How do we go about designing such a system?