Here's another part.
A VexPro 3 stage gear cover. It helps with safety and keeping the grease where it should be... It also keeps the electronics guys happy!
File is attached below in the .ipt, .stp, and .stl format.
You may need to change the design or length of the legs to account for your drive chain or belt. Also you can adjust the clips so they actually clip onto the rods if you wish, but it can be secured fine with a ziptie.