Launched this morning at 8am Pacific
1. It's free. No limited functions; no time-out bomb; no limit to online storage.
2. It is a history-based feature modeler that is also a direct modeler-editor; it employs features, extrusions, parts, and assemblies -- just like Solidworks users are used to using.
3. It is a pure cloud play that runs in desktop browsers and on apps specific to Android and iOS. There is no local version; there is no local install; there is no local saving of files.
The OnShape user interface, when the program first starts up in a Web browser
4. It uses Parasolid for the kernel; it uses D-cubed for constraints and other MCAD functions, like Solidworks.
5. Users can co-edit models down to the feature level, both editing the same feature.
6. If a server crashes, Parasolid moves your modeling session to another server automatically.
7. The free version makes your files public after the first five; to keep all your proprietary data private, you pay OnShape $100 a month.
8. To keep more than five files private on free account, you deactivate the other files (can't be viewed or edited, but are still sharable).
9. The $100/month includes unlimited file storage on the cloud, unlike any competitor. The free version gives you 5GB.
10. As of today, you can try it at www.onshape.com in any modern Web browser on all operating systems; there are separate apps for Android and iOS users.
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Link to OnShape presentation (PDF): https://dl.dropboxusercontent.com/u/28941239/Onshape%20Press%20Kit%2003092015.pdf