@emanuvele Obviously an awesome design overall but perhaps one more mod can be incorporated into this. That is, a separate blade "cover". That way, you don't need to glue it or worry about it falling out. There are two different ones here: https://www.thingiverse.com/thing:3310038 and https://www.thingiverse.com/thing:3608229. I think the more flexibility this part can be printed with the better.
EDIT: Forgot to mention that @kmccon's great design also incorporates one: https://www.thingiverse.com/thing:3157550