Flashforge Creator Pro (2016) 40mm fan guard

This is a replacement fan guard for the 40mm extruder fans on the Flashforge Creator Pro (2016). Its primary purpose is to eliminate the need for the tiny spacers between the fan and fan guard.

I also recommend printing this [replacement heatsink spacer](https://www.thingiverse.com/thing:547786). Together, these Things will make it easier to take apart and assemble your extruder carriage without losing pieces.

The fan guard will probably work on other printers of similar design, but I can'