The FIRGELLI Mechanisms Library brings together 1,929 animated examples across 40 categories, including linkages, gears, cams, escapements, couplings and motion-conversion systems. It helps users begin with the movement they need and compare how different mechanisms behave before committing to CAD or prototyping. Published by FIRGELLI Automations, the resource combines visual demonstrations with plain-language guidance on force, geometry, wear, backlash, loading and duty cycl