Non Gun Stuff...

[PegLeg45]

Yeah....I was thinking later down the line, production speed comes later on. But it is still better than the way many prosthetists work now.

Example: If I need a new leg, they do two to three actual plaster molds. Then those are scanned into a scanner in order to make a CNC 3D resin-foam copy of my residual limb. Then that is used to make a vacuum formed lexan molded test-socket (for pre-fitting). If everything fits, then a carbon fiber and epoxy final version is made. It can take anywhere from two weeks to six weeks to get it all right. This technology (if it gets faster and cheaper over time) could shorten the build time significantly....even if it can't be done in a day.

[tombogan03884]

2 things they mentioned in the video that some of you may have missed.
The company Rep mentioned that for they could make stronger items by using more resin, and when the interviewer was about to try the wrench, the Rep said "an hour and a half ago this was a pile of powder" so it took over an hour to "print" the wrench. Something as large as a prosthetic would probably take several hours.
The internals have me baffled as well, but we only saw pieces of the process.

[TAB]

I'd say not much, unless things get alot faster.

plaster casts are proven and easy to modify

Tom look at the thickness of a wrench.   a hour and a half for say 3/4".  Thats abot a 1/2" a hour.   for what ammounts to very little volume.

[PegLeg45]

2 things they mentioned in the video that some of you may have missed.
The company Rep mentioned that for they could make stronger items by using more resin, and when the interviewer was about to try the wrench, the Rep said "an hour and a half ago this was a pile of powder" so it took over an hour to "print" the wrench. Something as large as a prosthetic would probably take several hours.
The internals have me baffled as well, but we only saw pieces of the process.

I'll take several hours.  

A socket is just a hollow bucket (with about an 1/8" wall thickness) that everything else attaches to. Internal mechanisms on a simple BKA leg are not an issue.
If I already have the auxiliary components and they could scan and print me a new 'bucket' in a couple of days, then there would be no more gluing volume pads into existing sockets when they get loose. One person could have several interchangeable sockets for one limb to make up for size fluctuation.
As TAB said, it is probably cost-prohibitive at the moment....but technology usually (not always) cheapens over time.

[tombogan03884]

 TAB, we are agreeing on the speed. 90 minutes for an item 3/4"X 2"X 12" wild guess would be 20X longer for something the size of a leg, 30 hours. Then there is the size limitation of the machine. These are fairly simple things to overcome though as the technology matures.

Just saw a case where they were using DNA testing to track down some one for not cleaning up after their dog.
Either DNA testing has become dirt cheap or that's one nasty dog. 

[Sponsor]

[Timothy]

I've seen these things in real time.  They're designed for rapid prototyping for the most part.  I doubt very much it could be used for anything of a production nature.  One of our customers has one and the tolerances, at least on what he showed me, weren't that good.

[TAB]

I've seen these things in real time.  They're designed for rapid prototyping for the most part.  I doubt very much it could be used for anything of a production nature.  One of our customers has one and the tolerances, at least on what he showed me, weren't that good.

The tolerances depend on the material used.  the ones that use a laser to harden a resin will be accurate then the ones that use a resin/water to harden a sand type matierals.

The end product is also very important.  Most of what my friend that owns the rapod protyping compay does is getting something that the custmers can touch, instead of a 3d remdering, but they also produce postivae molds for which maters molds are produceed from.

[PegLeg45]

TAB, we are agreeing on the speed. 90 minutes for an item 3/4"X 2"X 12" wild guess would be 20X longer for something the size of a leg, 30 hours. Then there is the size limitation of the machine. These are fairly simple things to overcome though as the technology matures.

Just saw a case where they were using DNA testing to track down some one for not cleaning up after their dog.
Either DNA testing has become dirt cheap or that's one nasty dog.  

Just ask Maury Povich.  

I just need this part:   

[Pathfinder]

TAB, we are agreeing on the speed. 90 minutes for an item 3/4"X 2"X 12" wild guess would be 20X longer for something the size of a leg, 30 hours. Then there is the size limitation of the machine. These are fairly simple things to overcome though as the technology matures.

Just saw a case where they were using DNA testing to track down some one for not cleaning up after their dog.
Either DNA testing has become dirt cheap or that's one nasty dog. 

Actually, that was a proposal by an HOA IIRC, in order to force people to clean up after their dogs or get a huge fine/bill for the HOA to clean it up. They are mandating that all dogs be DNA swabbed so the results are on file.

I thought it would be fun to go out and crap on the HOA President's lawn myself, and let them go berserk trying to match it up to a dog! 

[tombogan03884]

This was a local town trying to bust one specific dog owner. Apparently the lawn mines keep turning up in the same area.
It was in Wed. free paper.