1. DFM before the first chip
An engineer reviews the print for features that drive cost or risk, like deep pockets, tight tolerances that don't need to be, and hard-to-reach radii, and suggests changes before you commit.
2. Prototype and iterate
Cut a small quantity, test it, and revise. Local shops make this loop faster because you can review the parts in person.
3. First article and approval
A documented FAI confirms the part meets every requirement. For medical programs, this is where process validation (IQ/OQ/PQ) begins.
4. Lock the process
Programs, fixtures, tooling, and the inspection plan are frozen and controlled, so run ten thousand matches run one.
5. Schedule production
Blanket orders and scheduled releases keep inventory predictable. Repair and service support can follow the product into the field.