Gridfinity more sizes with adjusted radius and smaller nameplate

More sizes of devider bins! Made the nameplate smaller and reduced the corner radius too. For more storage capacity.

The Magnet holes are removed to make it easier to print and prettier.

A somewhat working Fusion file is attached as well. 2x2x6 2x3x6 3x2x6 3x3x6 4x2x6 4x3x6 5x2x6