Introduzione
Un modello 3D interattivo di un ingranaggio a doppia elica.
Risorse Aggiuntive
https://en.wikipedia.org/wiki/Herringbone_gear
https://www.globalspec.com/learnmore/motion_controls/power_transmission/gears/herringbone_gears
https://www.motioncontroltips.com/helical-gears-what-are-they-and-where-are-they-used