Went to the 3D print show in London yesterday - it is on today and Saturday too.
My first impression is that it is rather disappointing in size - I was expecting bigger. They even sell 3 day passes! 3 hours was more than enough.
The main reason I went was to see things in action, obviously, and there were plenty of printers working, and lots of print samples to look at and touch. I went because we got a Maketbot Z18 a while ago. After the Replicator 2 we had high expectations and it turned out to be crap so it was sent back. Markerbot were there and assure me it is a lot better now, but the easy option of simply buying the next model up from the same supplier was missed, and I was already at a 3D print show now.
So, things of note...
Very impressive to see something that big working well, and some of the sculptures they had on display were very good.
The fact that three of the motors are fixed also allows much greater speed - they claim up to 1m/s even, and they did have one printing pretty fast on the stand.
So I suspect this will be the next one we get.
There were several other things. Several contract printing companies, some of which are very impressive. There were a few very expensive and very impressive printers. Only a couple of dual head printers. Some full height people scanners. One hand held stereo scanner. To be honest I expected to see more scanning stuff and was a bit disappointed.
There were also laser based printers that pull print from a pool of resin - very precise, but small area. There were CNC machines that milled things from a block of solid wood. Lots of different things to see, but still not a very big show. If you are in London, it may be with the £20 or so for a ticket.