3D printed gear from PA12 nylon with carbon fiber for paper shredder 
Rexel optimum autofeed+ 45x 50x - You need change small metal gear - it's not included

Number of teeth on big side: 33 Diameter: 70 mm
Number of teeth on big side: 12 Diameter: 29 mm
Total height: 11 mm

We can also make any gear for paper shreadder