Self-Inking Stamp Tray

Another item to introduce some order to my desk at work - designed to two self-inking stamps. This is designed specifically to hold a 2000 Plus Printer S260 Date Stamp and a ‘Colop’ Return Address Stamp we ordered from VistaPrint (not sure of the exact model, but the pocket is 78mmx39mm in the tray). I designed this as 100mm deep, 100mm wide, and 37.5mm tall - I'm working on a system of desk organizers that fit on a 50mm grid, and hope that this will fit with it nicely. As with the other things