The OpenSCAD file generates STL files for stackable parts bins. You can specify the size of the box in addition to the number of compartments (rows and columns). There's also control over the wall thickness and the radius of the internal fillets. To top it all off, there's an option for a lid.
The script has no error checking for invalid parameters.
The files include a few bug fixes from the initial posting that should now make the parts stack better.