This design is a box with a lid that latches. The lid attaches with a filament hinge.
The overall dimensions are driven by the number of rows and columns of compartments and their size. The Fusion 360 design is parametric.
This model is based on 9 cells (3x3). The left side has 6 (2x3) and the right side has 1 double length.
The author marked this model as their own original creation.