Well, SpaceClaim doesn't directly address Autodesk in its Direct Modeling Challenge -- Bring it on! email blast of today. But the coincidence is uncanny: the same morning Autodesk announces general availability of Inventor Fusion TP1 [tech preview #1], the challenge appears in email boxes:
If you have a modeling challenge, we want you to bring it on -- to us! Yes, thhat's [sic] right.
Then, in a live webinar on July 29, SpaceClaim will demonstrate how their software solves the most compelling design problem submitted.
The spin: that SpaceClaim's software is better at solving complex problems than the fresh-faced Fusion.