spawn
thingiverse
The 3D model can be found at http://tf3dm.com/3d-model/spawn-38116.html, where I downloaded it from. However, when I attempted to fill the holes using NetFab, the results were unsatisfactory. The .obj files, mentioned in the link, are also accessible there for further use.
Download Model from thingiverse
With this file you will be able to print spawn 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 spawn.