Summary

Need to replace the foot on your Macbook Pro. How about using a bit of Sugru and this mold?

1. print the mold using the smallest layer resolution possible
2. prep the Sugru
3. wet the surface of the mold with a drop or two of water
4. apply the Sugru to the mold
5. press the mold into place on the Macbook
6. remove the mold
7. with an exacto knife, trim the extra Sugru
8. with a damp finger smooth any surface roughness on the Sugru
9. let the Sugru cure