All good designers know about the "Rule of Three" which, in a nutshell suggests that things grouped in threes are more natural, harmonious, and visually appealing. The Dansk set of 3 mirrors is a prime example of the rule.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.