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H-P restricting 3-d printers' ability to print guns

The only real thing they can do is write it into licensing agreements and watch for violations.
 
The only real thing they can do is write it into licensing agreements and watch for violations.
Absolutely untrue.

There are lots of prohibitions built into products and often not disclosed, and in some cases, something would not think practical to embed in a consumer level product:

- Consumer drones that do not work in no-fly zones
- Color laser printers and copiers that include the printer model and serial number on each page
- Copiers and editing software that recognizes and refuses to process US currency
- The discrete Orion constellation on higher denomination us currency (I know $20 and up, not sure about the $10s)
 
Inkjet printers encode the same model/serial information by using color over black and color to make black.

Lots of stuff in consumer grade products that are in there just to make the government's job of tracking you real easy.
 
“But if there’s no blueprints of the weapons online, out there for free, nobody can print those unless they’re gun specialists.”

Not to mention being CAD/CAM specialists.
 
“But if there’s no blueprints of the weapons online, out there for free, nobody can print those unless they’re gun specialists.”

Not to mention being CAD/CAM specialists.
If they're running a HP 3D printer, they're not starting from zero.

Of course, there are models out there, and it's not hard to make one or two effectively meaningless changes, and change the name of the file before printing, so it doesn't hash the same. It's not like they're comparing the functional geometry against a database then checking that the user is also a federal licensee.
 
“But if there’s no blueprints of the weapons online, out there for free, nobody can print those unless they’re gun specialists.”

DEFCAD has a lawsuit going against New Jersey right now using its legal arm DDLEGIO because New Jersey passed a law that made it illegal for DEFCAD to provide their material to New Jersey residents over the internet. Yeah, please don't ask me to explain the legality of that law. I can barely believe the words that I just wrote.

In the meantime, there are x number of "blue prints" of the original "Liberator" out there, plus everything else that Cody Wilson had previously made available, on multiple sites, now that it's not available at DEFCAD. I don't work with 3D printers, but I've got a buddy who has one, and he's a member of a community of people who play with printers. He and I are friends because of our common interest in firearms.

If he, or a friend of his want those "blueprints" - I've got them - and I can get more.

Define "gun specialist", you clown.

You cannot stop the signal - that's what Cody Wilson has been saying all along. America, (and the world), is full of guys who play in garages, in workshops, who tinker for the fun of it.



EDITED:

Just got an email from DDLEGIO, pertinent link:
January 15th Hearing - DD LEGIO
 
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It's not like they're comparing the functional geometry against a database
Don't be too sure. It would be more pattern recognition than a database.

Read up on all the work done to allow copiers, editors and printers to recognize US currency.
 
Don't be too sure. It would be more pattern recognition than a database.

Read up on all the work done to allow copiers, editors and printers to recognize US currency.

There are to the best of my knowledge, no hobbyist efforts afoot building DIY color copiers. Although I wouldn't be amazed to find there are.

Not true of 3d printers. Blocks like this might find their way into commercial products (maybe) but will be edited right out of any open sourced printer firmware.

Marlin

The genii is out of the bottle with respect to 3d printing.

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Don't be too sure. It would be more pattern recognition than a database.

Read up on all the work done to allow copiers, editors and printers to recognize US currency.

My guess is that any classifier with high sensitivity for identifying gun parts would also produce lots of false negatives (like blocking printing of handles and tubes), thereby pissing off regular users. It will be interesting to see how it plays out.
 
Don't be too sure. It would be more pattern recognition than a database.

Read up on all the work done to allow copiers, editors and printers to recognize US currency.

This is true. I'm a computer programmer and I can tell you they can program it to block stuff they don't want you touching. Try to scan a $100 bill and open it in Adobe Photoshop. The program will likely tell you something along the lines of "Sorry Dave, I'm afraid I can't do that"
 
Don't be too sure. It would be more pattern recognition than a database.

Read up on all the work done to allow copiers, editors and printers to recognize US currency.
Sure, but US currency, really all currency follow a series of pattern that should be straightforward to test against. Maybe as a lowly MechE I don't fully respect the ability of AI to do pattern recognition, but there are near infinite ways to redesign the parts of a firearm to be functional.

For example, now I feel compelled to design a semiauto 22 that can fit in the housing of a NERF gun. Suddenly, our NERF modding friends will be blocked from sharing files and dimensions because my action can mate to their parts?
 
This is true. I'm a computer programmer and I can tell you they can program it to block stuff they don't want you touching. Try to scan a $100 bill and open it in Adobe Photoshop. The program will likely tell you something along the lines of "Sorry Dave, I'm afraid I can't do that"

how about GIMP?
 
yeah, and it would pass the info to Chinese goverment instead of US.

"Herro? Mistah NamedPipes been bad boy, been printing guns ..."

If my computers are ratting me out to the Chinese, a couple of 3d printed guns are the least of my troubles. I have UNPIXELATED videos...
 
This is true. I'm a computer programmer and I can tell you they can program it to block stuff they don't want you touching. Try to scan a $100 bill and open it in Adobe Photoshop. The program will likely tell you something along the lines of "Sorry Dave, I'm afraid I can't do that"

Where there is a will, there is an open source way....
 
The genie is definitely out of the bottle. Aren’t there plans out there where you can 3D print parts to make a ghost gunner?

Using a machine to make the parts to make THE machine.
 
The genie is definitely out of the bottle. Aren’t there plans out there where you can 3D print parts to make a ghost gunner?

Using a machine to make the parts to make THE machine.

Not really. The plans are out there, but the machine itself is a very small CNC. It's a teeny tiny milling machine, with motors, a spindle, a table... It's metal parts cut to tolerances, that move.
 
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