Super cool generator!
To add to this. You can easily cut gears out of Delrin (acetal homopolymer). This makes gears that can also hold up to some additional stresses in applications that acrylics would not be suitable for.
A couple good links to start with delrin (not specific to gears mind you):
GF related topic: https://community.glowforge.com/t/delrin-cut-thickenss-and-alternatives/2422
Cue anxiously waiting for GF… Oh the gears I could be cutting!