RS232 to USB miniB interface

Obliviously in Inglish, As a test i designed a casing for the Parallax inc Usb to serial (RS-232) Adapter. First : Choosing a 3D modelling program, 3Dsketchup version 5 trial version. Measuring the inner space, add 2mm on both sides for the outer layer. export to 3Ds, import in Zprint edit a little add text for the side. press start et Voila ! DO_Ray for Clerkroom.com