He did. One of the feature additions to the beta release was this:
*Added STL, DAE (Collada) and glTF file format for exporting 3D models
Viewing post in Asset Forge for 3D printing
Hi, I test it and it's very cool. Tomorrow I will post some pictures of the printed elements.
One issue I detected is that when you print the blocks or elements they appear as blocks, I mean that you see the elements perfectly joined but with the line that divide each element. One workaround is import into meshmixers and make it solid.
Salut,
Josep M