Customized version of https://www.thingiverse.com/thing:1680291

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=1680291

Using the following options:

box_Size_X = 30
box_Size_Y = 60
box_Inner_Height = 14
box_BottomTop_Thickness = 1.6
box_Screw_Corner_Radius = 6
box_Screw_Diameter = 3.2
box_Wall_Thickness = 3.2
barrier_Thickness = 1.2
barrier_Height = 2
barrier_Tolerance = 0.8
screwnose_Number = 2
screwnose_Diameter = 3
screwnose_Height = 4
screwnose_Wall_Thickness = 2.8