Customized version of http://www.thingiverse.com/thing:1078166

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1078166

Using the following options:

case_thickness = 4
case_Length = 56
pattern_shape = 3
case_Width = 17
pattern_rotation = 21
case_Height = 74
pattern_overlap = 15
case_Lip = 7
pattern_thickness = 5
pattern_radius = 5
case_Top_Height = 24
case_Lip_Tollerance = .25