An anonymous reader writes "A few months after releasing support for viewing models in STL format on the site, GitHub.com, the website, just added support for viewing changes to.stl formatted 3D models directly in the browser. They also released the tools used to compute those changes as open source, MIT licensed software." Link to Original Source
I have yet to see any problem, however complicated, which, when
you looked at it in the right way, did not become still more complicated.
-- Poul Anderson