Gridfinity Boxes for Gridfinity Box For Stuff 20 bin version

Needed 30 bins for an assortment of screws for the "Gridfinity Box For Stuff (BFS) - 20 BIN Version 2.0" by @MyStoopidStuff since the original 25bin box was too large for my X1C and a 30bin definitely will. By splitting the bins in multiple partitions i was able to squeeze 30 bins in the 20 bin box v1