Just a template downloaded from Microsoft 3D, I modified the dimension as enlarging it size printed very nice and was very pleased with the quality. judging by this first print id say you could easily modify the lid to be shorter and perhaps make even bigger box. Seems like a great file to work with all the credit goes to Microsoft 3D is where i got the file and modfied.

Create and print 3D objects - Windows Hardware Dev Cente (microsoft.com)