I needed to generate an image for my sudoku app, so decided to do a quick 3D sudoku model based on the same design as my app.
If you have an old feature phone that understands J2ME, you can download a working version of the j2me version of my sudoku application:
http://www.gringene.org/JMeSudoYu.jad
http://www.gringene.org/JMeSudoYu.jar
The author marked this model as their own original creation. Imported from Thingiverse.