Many people have asked me if I plan to sell this model on Shapeways. Personally, I do not feel comfortable making a profit on another person's work. However, I have gained permission to release the model so you folks can make your own copies.
You can download the model here: [link] All I ask of whoever downloads the model is: Please do NOT use it for your own profit!
It's a .blend file, so you can scale it to however large you want it. Just remember, smaller is cheaper. Blender also scales to the point where 1 Blender unit = 1 millimeter, so you will have to scale the model down quite a bit. Rotate the model 90 degrees on the X-axis, and you can export it to an STL file.
From there, all you have to do is upload it (select millimeters as the scale!), and you should be good to go! Remember to choose 'Full-Color Sandstone' when choosing the model's material, otherwise you'll end up with a blank Luna-shaped model with no color details.