This project is not for the average DIYer as it requires access to a CNC machine to cut the pattern in the ply. But if you have a very good hand and an equally good jigsaw you should have no difficult (Diy Furniture Building)
Wooden cube coffee table design by RockPaperRobot. There are NO rigid parts connecting the cubes - they are levitated over each other via magnets! The overall shape is maintained by thin metal cables preventing the cubes from pushing too far apart.