This post originally appeared in the Shapeways blog.

[Update May 25, 2017: Red Hat’s Tom Callaway rightly - and gently - admonished me for completely overlooking the Red Hat Patent Promise when discussing this issue at the Creative Commons Summit.  It’s a pretty good example of the kind of license this post ends by asking for.]

This post originally appeared on the Shapeways blog.

This is a version of a post that originally appeared on the Shapeways blog.

A version of this post originally appeared on the Shapeways blog.