Having a solid base to secure the machine’s components is the basic function of the
tattoo machine frame.
The rigidity of the tattoo machine frame is the most important quality of a frame, so the
material used in it’s construction must be considered. There are many materials that fit
the rigidity requirements besides metals. Plastics, composites, even wood are acceptable.
There are other reasons that the material used in frame construction should be
considered beside rigidity.