The box has a 290x290mm footprint and is made with 3mm MDF wood sheets. You can laser cut it on 300x600mm sheets, suitables for most laser cutters:
The vector files are available here, or in the github repository under lasercutter folder.
4 sides of the box
A montage of the top/bottom and 2 parts of the top plate
The top face and plate can be unscrewed for maintenance.
Wood sheet during laser cutting

Once laser cutted, all the part are fixed together with wood glue.
Box without cover