Box with divided compartments

This is a box that I designed as I wanted something that gave had a lot of individual compartments in it of varying sizes. Is now used by my better half as a jewellery box.

I printed this box using Black PLA filament from http://www.3dexfilament.co.uk and used a layer height of 0.2mm and an infill of 15% but infill is not much of a problem so you could go to 10%. The lid is a fraction narrower than the box so that it easily slides in and out (I found with most other boxes on here that the li