The 5x1x6 3-compartment divider bin that Zach posted is missing the magnet/screw counterbore for some reason. I imported that bin into Blender and copy-pasted the bottom faces off the half-height version onto this one.

Gridfinity is ©2022 Zach Freedman. Zach recently relicensed to MIT, so that is what this model's license is, too. (If you really want the CC-BY-NC-SA terms, they're irrevocable, but why would you want them!?)