Herringbone Gear for Cyclone PCB factory, same dimension of original one, but low noise

As described in the title this is Herringbone Gear for Cyclone PCB factory.
Same dimension of original one, but less noise and fit better.

With long shaft and triple screw to block the gear to the shaft.

Updated version: https://www.mischianti.org/2019/03/22/herringbone-gears-for-cyclone-pcb-factory/

The main Cyclone PCB Factory project is described here
https://www.mischianti.org/category/tutorial/cyclone-pcb-factory-how-to-build-it/