Form, Fit, and Function (FFF) Definition

Form, fit, and function (FFF or F3) define the parameters that set the characteristics of a part. Form - The shape, size, dimensions, mass, weight, and other visual parameters that uniquely distinguish a part. Fit - The ability of a part to physically interface with, connect to, or become an integral part of another part. Function - The action or actions that a part is designed to perform.
Form, fit, and function (FFF or F3) define the parameters that set the characteristics of a part. When you consider whether to introduce a new part number or create a new revision for an existing part number—it's important to consider and follow the form, fit, and function guidelines.

FFF (Form, Fit, Function). Revisions and Interchangeability

OnPLM - Top level discussion about the future role of PLM in companies

FFF: Form Follows Function or Function Follows Form?

Definitive Guide to Change Management for Medical Devices

We created the Custom Cordovan Button-Stud Watchband, (the first button-stud watchband on the market) and launched it with our first products in early

FFF Button-Stud Watchband (Adjustable)

What the FFF is happening?

The Form, Function and Fabrication model, describing the relationship

What the FFF is happening?

FFF (Form, Fit, Function). Revisions and Interchangeability

Form-Function-Performance

Texas Instruments OPA548F/500 Market Analysis

Definitive Guide to Change Management for Medical Devices