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NYC LOCAL: Wednesday 11 July 2007 NYLUG: Zach Smith on Or All the Seas w

From: secretary
Subject: NYC LOCAL: Wednesday 11 July 2007 NYLUG: Zach Smith on Or All the Seas with von Neumann Oysters
Date: 7 Jul 2007 03:24:34 -0400

  what="official NYLUG announcement">

 From: John Bacall <>
 To: NYLUG Announcements <>
 Date: Thu,  5 Jul 2007 09:45:01 -0400 (EDT)
 Subject: [nylug-announce] NYLUG Wednesday 11 July General Meeting Presents:
        Zach Smith -on- Open Source Manufacturing and RepRap

                   Open Source Manufacturing and RepRap

    This Wednesday 11 July meeting is refreshingly unique. A project with
    goals extraordinary. Simply, the bootstrapping of objects by other
    objects. A thing making another thing, or its own thing. =)

    RepRap is an open source project to create a self replicating 3D
    printing machine. With this machine the goal is to one day be able to
    automatically create a variety of real objects, including a copy of
    the machine itself. This technology is the core of something our
    speaker, Zach Smith likes to call open source manufacturing. The way
    it works is that you design an object using software, and then the
    machine takes that design and turns it into a finished product. You
    can then choose to share your virtual object with anyone in the

    The first version of the machine is currently under development, but
    Zach Smith and the rest of the RepRap Project are very close to
    finished. Basically a Cartesian Robot, a 3D positioning system, moves
    a print head across a build surface. The print head is a
    thermoplastic extruder. A custom-built, juiced up hot glue gun. It
    heats and pushes plastic through a tiny nozzle to form a stream of
    plastic that is laid down line by line, layer by layer to form a
    complete object. Voila!

    There are 4 main areas in the project, and all are released under the
    GPL. First, there is the host software that controls the printer,
    written in Java. Second, there is the firmware, written in C that
    processes and executes the commands from the host software. Third are
    the electronics designs, which are used to manufacture the boards.
    Finally, there are the mechanical designs for the actual printed

    The project as a whole spans many disciplines, from software to
    electronics to mechanics. There is an interesting problem here for
    everyone, no matter what your skills are.

    Points of interest.

      * A NASA study has concluded that creating a self replicating
      * machine
        is roughly the same difficulty as creating a Pentium 4 chip.
      * Currently there are 50-75 people actively attempting to create a
        RepRap machine.
      * RepRap hopes to announce successful self-replication by 2008.

    3D printing is an amazing technology, and has vast potential. If
    efforts such as the RepRap project's are successful then anyone that
    wants a 3D printing device will be able to have one. With all the
    spectacular implications to our economies and possibly humanity. Far
    fetched? Pie in the sky?

    Hear Zach Smith detail it for you this Wednesday, July 11th.

    Further Information:






    About Zach Smith:

    Zach Smith is a 23 year old DNA based self-replicating human. His
    primary interests are girls, the internet, robots, cool stuff, and
    making things. His favorite color is green, and he enjoys being
    alive.  He works for an awesome company (Connected Ventures) making
    an ``awesome website.'' (
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Distributed poC TINC:

Jay Sulzberger <>
Corresponding Secretary LXNY
LXNY is New York's Free Computing Organization.

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