With these plans you will be able to create a box any size you wish, and choose the number of compartments you would like. Simply change the parameters in the Fusion 360 file and the box will automatically resize. Then just export the sketches as dxf or use the CAM Workspace to create your toolpaths.
The Fusion 360 f3d file.
The dxf file for a draw unit 150mm x 100mm x 50mm (approximately 6" x 4" x 2") with three compartments. The dxf file is sized for material 3mm thick.
For how to assemble the box please see this video:
This is a digital product, you will not receive a physical item.