His hackaday project page is here.
So if you have not seen it yet head on over to web-cad.org and take a look at a live demo.
Last night I took the time to embed this application in to the same system housing the print queue. There is still some work to do but I set up a database to index a list of models and established storage for those models on the server.
Next up is to do a bit of magic to get the stl export automatically and push it to the print queue.
It is kind of interesting to think that the whole workflow from design to manufacture could be handed in a web browser completely remotely from the manufacturing equipment.