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Thread: Print-your-own AR parts

  1. #21
    Gunco Member 2ndamndmnt's Avatar
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    looking good. did it take long to put together and did you need any special tools?

  2. #22
    Gunco Regular Rocster's Avatar
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    Umm, sort of. It was about two weeks, in three couple hour sessions (interuptions due to kids school year end events, etc.). Slow mainly because the instructions as still in flux, and the only real documentation is the assembly videos which were not 100% accurate due to minor design changes.

    The video are here... Assembly Videos - Printrbot Wiki

    The Printrbot.com folks are still having growing pains due to difficulty with the various suppliers and ramping up from 100 kits to over 400+. I'd wait for a few more months before ordering. That way they'll have time to A) work out the bug in the supply chain, B) Get the new mini- and Large model refines, C) Get better build documentation created. They have also talked about eventually selling completely assembled one at some point.
    "To invent, you need a good imagination and a pile of junk."
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  3. #23
    No Hope For Me Coils's Avatar
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    Glad to see you got it going.
    Looks like it would be easy to expand later if you wanted to.


    Actually people who bought these (hint, hint ) need to start printing out the plastic parts to sell to others, and make a list of the metal parts needed, this way someone can put one together and only needs to buy things like the circuit boards and maybe the motors from PrintBot.
    Isn't that what these things were originally made for?
    "Government is not the solution to our problem, government is the problem" Ronald Reagan

  4. #24
    Gunco Member 2ndamndmnt's Avatar
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    thanks for the advice rocster.

  5. #25
    Gunco Rookie gwood's Avatar
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    I have a Solidoodle ordered for a non-gun project. It's supposed to ship the last week in June. When I get the time I'll print out that AR mag and post some close-up pictures.

  6. #26
    Gunco Member Story's Avatar
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  7. #27
    Gunco Member bbguns44's Avatar
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    3D printers are crap. Just toys for idiot nerds. Way too limited, way too flaky.

  8. #28
    GuncoHolic kernelkrink's Avatar
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    Plastic parts make good cores for making your casting molds. Jay Leno uses a scanner and 3D printer to make his own replica car parts for some of his classic cars. Autozone don't exactly stock an exhaust manifold for anything before WWI.... He scans the part he does have into a 3D model, draws in the missing pieces, then prints out a prototype to check for fit. He then uses it to make a casting mold, or sends the program to his CNC center to mill it out of solid material.

  9. #29
    Gunco Member Greg B's Avatar
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    My friend has a Makerbot.
    So far he has just made some toys for his kids.
    Mostly I see the real drawback is just not enough variations in the polymers available to extrude. ABS is pretty brittle.
    That said, I'm going to get him to try printing a 10 round AR mag.

  10. #30
    Gunco Member Greg B's Avatar
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    Maybe not.
    Just checked thing verse & the files aren't there anymore.

    Back on!
    Found files at DEFCAD!!!

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