Gridfinity empty bins for customization+parametric

New (September 2023): For those who don't want to use Fusion360 - there are now .step files for all boxes from 1x1 to 10x10 available.This is a remix of the original bins by Zack Freedman that you can find here: https://bit.ly/ZFGridfinityDividerBinsOuter dimensions of the bins are exactly the same as the original bins, so you have full compatibility to the gridfinity system.Improvements of this remix over the original modelThe model is completely empty. This is great when you want to design