The action is really beginning to heat up in regards to the new 3MF file format which has been developed by the 3MF Consortium in hopes to standardize 3D files across the board, eliminating interoperability issues for users and allowing for full-fidelity 3D model files to be transferred easily throughout applications. Now, Datakit, a CAD data exchange software vendor from Lyon France is building a library to promote their standalone converter, CrossManager, which will allow an easy way for users to make their files compatible with almost all 3D printers. Read more at 3DPrint.com: https://3dprint.com/137793/3mf-datakit-library/