Design for Manufacturing (DFM) is the process of designing parts, components, or products for a smooth transition into mass manufacturing, keeping quality intact, and reducing costs as much as possible.
Listen to this short podcast for an explanation of what DFM (Design for manufacturing ) is. If you want to dig deeper into what DFM is, please click the link below
https://titoma.com/what-is/dfm-design-for-manufacturing-meaning