Combined Forms
thingiverse
First export from OpenSCAD Tutorial here http://www.makerbot.com/blog/2011/02/02/openscad-intermediates-combining-forms/
Download Model from thingiverse
With this file you will be able to print Combined Forms with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Combined Forms.