Online 3D design software

We should start with one simple but thoroughly worked tool, for example sculpting. This should ideally be an easy tool that facilitates collaboration and cooperation. We can then extend the tool. To begin with we can easily start with a simple sculpting tool, generate appropriate format files and feed the result to a render on the client's side. The edit can be incrementally saved reducing bandwidth requirements and the client and server sides can then be synced at the user's request.