Spotted this via hackaday.com and passed it on to DT who squeaked with delight and got very excited.
Yesterday, one of them wandered in with a completed and slightly redesigned box they'll be using for project work next year. It's a pretty neat idea, though you may wish to experiment a bit with the bend cuts and round off the base and lid corners - it depends how precise your laser cutter is.
*::*ADBB - Bendy Corner Arduino Box .:oomlout:.