Yes and No
thingiverse
Construct the "yes-and-no-build.stl" model, which can be printed without requiring support structures; consider scaling it up prior to printing for optimal results. Check out this tutorial video at http://www.youtube.com/watch?v=1sh-KNnEKlc for more details and guidance.
Download Model from thingiverse
With this file you will be able to print Yes and No 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 Yes and No.