OnShape allows users to write scripts to add features. There are some amazing ones out there to do things like add dog bones to corners automatically and some kind folks have compiled a list of the best ones here:
Totally worth checking out if you use OnShape
In particular I am absolutly in love with this automatic dog bone / corner over cut script:
I’m only counting 19 characters 
What happend?
Don’t forget to count the spaces between the words!
continuous spaces don’t work. Tried that 
not sure if 10 characters with 10 spaces work.
1 2 3 4 5 6 7 8 9 0 1
21 needed then 1 2 3
I think I just won Discourse!
Yeah I actually found that script and had it added to dcowden’s project. It works very well.
Woah! Thanks for doing that because I benefited 