My Customized A Box with lid and possibly rounded corners

thingiverse

A customized version of the Thingiverse model can be accessed at this URL: http://www.thingiverse.com/apps/customizer/run?thing_id=72070. For personalization, use these settings: separation = 2, lip thickness = 5, gap = 0, height = 12, radius = 1, create only sides = 1, length = 12, fit = 0, wall thickness = 1, and $fn = 50. Additionally, set the lid position to 20 and the width to 12.