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Thread: 3D Printer

  1. #1
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    Default 3D Printer

    Where can I get one of these?

    http://www.wimp.com/functionaltools/

  2. #2
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    Default Re: 3D Printer

    That was over the top cool.

  3. #3
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    Default Re: 3D Printer

    Quote Originally Posted by jpb View Post
    Where can I get one of these?

    http://www.wimp.com/functionaltools/
    You can make your own. You can get the parts for a DIY 3D printer for around $600 - $1000 USD, depending on how much sourcing of parts you want to do vs. buy all the parts in a kit. See reprap.org for DIY info. See makerbot.com for semi-DIY info. There are not quite as fancy as the one in the video, but still quite impressive - they print using ABS or PLA filament, with a resolution down to 0.3 mm. On those web sites there are also references to people who have made a 3D scanner from a laser scanner, so the other part of the equation is also covered. There are lots of videos on YouTube about RepRap and about the CupCakeCNC (the Makerbot version).

    If you don't have a scanner and don't want to use CAD software to design your own parts, you can also just download CAD files that other people have designed from sites such as Thingiverse.com.

    There is also a website that serves as a broker between people who have 3D printers that are willing to print you some parts, and people who need some parts printed.

    don
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  4. #4
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    Default Re: 3D Printer

    I've been impressed with the progress of rapid prototyping. In engineering there's something about having a full sized prototype for fitment and functional analysis prior to expensive tooling or complex composite layups designed.
    5 years ago at another major aircraft company we used stereolithography (SLA). It was impressive but having to post process, curing resin, trimming supports, and sanding really slowed the process. Later they purchased a selective laser sintering (SLS) prototyper and it helped to increase turnover and was a better material.

    Now (at another major aircraft company) we use fused deposition modeling (FDM), described by Don above:
    Quote Originally Posted by djulien View Post
    There are not quite as fancy as the one in the video, but still quite impressive - they print using ABS or PLA filament, with a resolution down to 0.3 mm.
    The vast array of different materials, low cost, little or no post processing, and high speed printing makes FDM the premier rapid prototyper and industry standard. Interestingly enough, many production parts used on final assembly are being printed every day, not for research, but for final assembly. FDM is moving from prototyping to full-scale production!
    I'd guess that 3D printers and rapid prototyping will become cheaper as it branches from corporate to domestic. I've seen a few on purple wave auction sell for pennies on the dollar. Keep an eye out, from time to time you'll see some.
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  5. #5
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    Default Re: 3D Printer

    Mrs. Dirk does some advertising/PR consulting for a company named Stratasys that is on the cutting edge of 3D prototyping. They have products that are a small as desktop and as large as... well, she tells me they can make an airplane wing... their HQ is right here in Minnesnowda.

    If anybody is really serious about getting one, let me know and I can maybe help put you in touch with someone. Save your pennies though as that stuff ain't cheap...

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  6. #6
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    Default Re: 3D Printer

    Looks mighty cool but you might have to forego any Blinky Flashy additions for a good 2-20 years to be able to afford one...
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  7. #7
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    Default Re: 3D Printer

    Did anyone notice the little ring on the end of that cressent wrench. The one the host of the show brought it didn't have one yet the one that was printed out did have one. Something doesn't smell right with that. Grant it the 3D printer probably exists, but I thought that the fact they didn't use the same wrench was interesting.
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  8. #8
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    Default Re: 3D Printer

    I thought I saw a ring on the original somewhere in the video...

    It's not exactly the same as the original anyway. If you notice, the gear drive is just a little different on the "copy", and it appears to be slightly smaller than the original.

    But still a cool process.
    Mark

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