Pasta Machine drive motor

This project started because I had a dead printer scanner going to the tip
I disassembled it and recovered several useful parts.
Since it contained a decent dc motor and power supply I decided to make myself a
drive motor for my pasta machine.
The motor is factory fitted with a metal toothed belt pinion. I filed off the flange and filed a flat onto the pinion
in order to accept the printed pinion. something similar found here. https://www.ebay.co.uk/itm/OEM-Canon-Pixma-iP4300-Printer-Belt-Drive-Motor-QK1-3042/192893271834?hash=item2ce955bf1a:g:btwAAOSwU~VcuQ5q

The printer contained a dia6.9mm steel shaft which I used for the axles of the 2nd and third gear.
axles 28.6mm long.
I filed 2 flats on the remainder of the steel shaft and used it to ream the centre holes of the printed gears.
I used the dia 9.5mm steel paper feed roller to make a square drive shaft to match pasta machine drive.
50mm long. I drilled and pinned the square drive to the final gear.
2 m3x14mm pan he