The dimensions of the box are
a) Internal: 220mm x 320mm
b) External: 252mm x 352 mm.
The box is designed to accommodate A4 paper, or to be set up as a Jewelry or desk box.
The sides are Spalted Brazilian Walnut (AKA Ipe) and the base is Tasmanian Blackwood.
The sides were thicknessed to 16...