Product Family Matrix
A chart constructed by lean thinkers to identify appropriate product families.
In the illustration below, a firm with seven product lines, as perceived by its customers, arrayed its assembly steps and equipment across the top of a product family matrix and quickly found a common path for Products A, B, and C, which it then value stream mapped as a product family.
![](https://www.lean.org/wp-content/uploads/2020/07/product_family_matrix.gif)