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printing<00:00:01.920><c> for</c><00:00:02.610><c> years</c><00:00:02.909><c> we've</c><00:00:03.270><c> used</c><00:00:03.510><c> it</c><00:00:03.659><c> to</c><00:00:03.750><c> make</c>

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printing for years we've used it to make
 

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printing for years we've used it to make
books<00:00:04.339><c> newspapers</c><00:00:05.339><c> packaging</c><00:00:06.120><c> and</c><00:00:06.299><c> so</c><00:00:06.810><c> much</c>

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books newspapers packaging and so much
 

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books newspapers packaging and so much
more<00:00:07.259><c> but</c><00:00:08.040><c> more</c><00:00:08.340><c> recently</c><00:00:08.790><c> you</c><00:00:08.880><c> may</c><00:00:09.300><c> have</c>

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more but more recently you may have
 

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more but more recently you may have
heard<00:00:09.630><c> the</c><00:00:09.840><c> term</c><00:00:10.050><c> 3d</c><00:00:10.650><c> printing</c><00:00:11.099><c> thrown</c><00:00:11.309><c> around</c>

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heard the term 3d printing thrown around
 

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heard the term 3d printing thrown around
it<00:00:12.480><c> allows</c><00:00:12.750><c> you</c><00:00:12.929><c> to</c><00:00:12.960><c> take</c><00:00:13.230><c> a</c><00:00:13.290><c> digital</c><00:00:13.620><c> model</c>

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it allows you to take a digital model
 

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it allows you to take a digital model
and<00:00:14.400><c> turn</c><00:00:15.030><c> it</c><00:00:15.150><c> into</c><00:00:15.330><c> a</c><00:00:15.570><c> tangible</c>

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and turn it into a tangible
 

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and turn it into a tangible
three-dimensional<00:00:17.400><c> object</c><00:00:17.910><c> like</c><00:00:18.480><c> a</c><00:00:18.690><c> piggy</c>

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three-dimensional object like a piggy
 

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three-dimensional object like a piggy
bank<00:00:19.279><c> let's</c><00:00:20.279><c> take</c><00:00:20.460><c> a</c><00:00:20.490><c> look</c><00:00:20.730><c> at</c><00:00:20.880><c> how</c><00:00:20.970><c> it</c><00:00:21.119><c> works</c>

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bank let's take a look at how it works
 

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bank let's take a look at how it works
in<00:00:21.660><c> three</c><00:00:21.990><c> basic</c><00:00:22.140><c> steps</c><00:00:23.119><c> step</c><00:00:24.119><c> one</c><00:00:24.330><c> it</c><00:00:24.689><c> starts</c>

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in three basic steps step one it starts
 

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in three basic steps step one it starts
with<00:00:25.529><c> a</c><00:00:25.560><c> virtual</c><00:00:26.160><c> design</c><00:00:26.490><c> someone</c><00:00:27.449><c> uses</c>

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with a virtual design someone uses
 

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with a virtual design someone uses
computer-aided<00:00:28.349><c> design</c><00:00:28.920><c> or</c><00:00:29.400><c> CAD</c><00:00:29.880><c> software</c><00:00:30.300><c> to</c>

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computer-aided design or CAD software to
 

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computer-aided design or CAD software to
create<00:00:31.410><c> a</c><00:00:31.439><c> kind</c><00:00:31.740><c> of</c><00:00:31.859><c> precise</c><00:00:32.340><c> drawing</c><00:00:32.790><c> of</c><00:00:33.120><c> what</c>

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create a kind of precise drawing of what
 

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create a kind of precise drawing of what
they'd<00:00:33.450><c> like</c><00:00:33.600><c> to</c><00:00:33.750><c> create</c><00:00:34.079><c> this</c><00:00:34.829><c> acts</c><00:00:35.100><c> as</c><00:00:35.399><c> a</c>

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they'd like to create this acts as a
 

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they'd like to create this acts as a
blueprint<00:00:36.090><c> for</c><00:00:36.360><c> the</c><00:00:36.480><c> 3d</c><00:00:36.809><c> printer</c><00:00:37.140><c> to</c><00:00:37.290><c> read</c>

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blueprint for the 3d printer to read
 

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blueprint for the 3d printer to read
step<00:00:39.300><c> two</c><00:00:39.559><c> the</c><00:00:40.559><c> digital</c><00:00:40.980><c> model</c><00:00:41.219><c> is</c><00:00:41.520><c> broken</c>

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step two the digital model is broken
 

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step two the digital model is broken
down<00:00:42.090><c> into</c><00:00:42.360><c> hundreds</c><00:00:42.870><c> or</c><00:00:43.050><c> even</c><00:00:43.079><c> thousands</c><00:00:44.010><c> of</c>

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down into hundreds or even thousands of
 

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down into hundreds or even thousands of
thin<00:00:44.610><c> horizontal</c><00:00:44.969><c> layers</c><00:00:45.690><c> with</c><00:00:46.200><c> a</c><00:00:46.230><c> process</c>

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thin horizontal layers with a process
 

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thin horizontal layers with a process
called<00:00:46.950><c> slicing</c><00:00:48.379><c> step</c><00:00:49.379><c> 3</c>

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called slicing step 3
 

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called slicing step 3
all<00:00:50.340><c> of</c><00:00:50.700><c> these</c><00:00:50.820><c> layers</c><00:00:51.120><c> are</c><00:00:51.390><c> sent</c><00:00:51.690><c> to</c><00:00:51.809><c> the</c><00:00:52.110><c> 3d</c>

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all of these layers are sent to the 3d
 

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all of these layers are sent to the 3d
printer<00:00:52.550><c> there</c><00:00:53.550><c> are</c><00:00:53.760><c> many</c><00:00:54.090><c> different</c><00:00:54.480><c> types</c>

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printer there are many different types
 

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printer there are many different types
of<00:00:54.870><c> 3d</c><00:00:55.170><c> printers</c><00:00:55.559><c> but</c><00:00:55.829><c> most</c><00:00:56.190><c> have</c><00:00:56.399><c> a</c><00:00:56.430><c> nozzle</c>

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of 3d printers but most have a nozzle
 

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of 3d printers but most have a nozzle
that<00:00:56.969><c> ejects</c><00:00:57.510><c> a</c><00:00:57.629><c> semi-liquid</c><00:00:58.530><c> material</c>

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that ejects a semi-liquid material
 

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that ejects a semi-liquid material
usually<00:00:59.579><c> plastic</c><00:01:00.329><c> to</c><00:01:00.719><c> print</c><00:01:01.109><c> each</c><00:01:01.260><c> of</c><00:01:01.379><c> these</c>

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usually plastic to print each of these
 

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usually plastic to print each of these
layers<00:01:01.730><c> the</c><00:01:02.730><c> nozzle</c><00:01:03.120><c> moves</c><00:01:03.359><c> around</c><00:01:03.510><c> printing</c>

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layers the nozzle moves around printing
 

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layers the nozzle moves around printing
layer<00:01:04.320><c> upon</c><00:01:04.920><c> layer</c><00:01:05.220><c> upon</c><00:01:05.519><c> layer</c><00:01:06.090><c> upon</c><00:01:06.900><c> layer</c>

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layer upon layer upon layer upon layer
 

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layer upon layer upon layer upon layer
following<00:01:08.250><c> the</c><00:01:08.400><c> digital</c><00:01:08.580><c> model</c><00:01:09.260><c> depending</c><00:01:10.260><c> on</c>

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following the digital model depending on
 

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following the digital model depending on
the<00:01:10.500><c> printer</c><00:01:10.799><c> and</c><00:01:11.040><c> the</c><00:01:11.220><c> complexity</c><00:01:11.850><c> of</c><00:01:11.880><c> the</c>

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the printer and the complexity of the
 

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the printer and the complexity of the
design<00:01:12.420><c> this</c><00:01:12.840><c> can</c><00:01:13.020><c> take</c><00:01:13.170><c> anywhere</c><00:01:13.229><c> from</c><00:01:13.619><c> a</c><00:01:13.920><c> few</c>

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design this can take anywhere from a few
 

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design this can take anywhere from a few
hours<00:01:14.340><c> to</c><00:01:14.700><c> several</c><00:01:15.390><c> days</c><00:01:15.600><c> and</c><00:01:16.229><c> just</c><00:01:17.220><c> like</c><00:01:17.400><c> that</c>

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hours to several days and just like that
 

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hours to several days and just like that
you've<00:01:18.150><c> got</c><00:01:18.360><c> a</c><00:01:18.390><c> 3d</c><00:01:18.810><c> printed</c><00:01:19.170><c> object</c><00:01:19.939><c> 3d</c>

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you've got a 3d printed object 3d
 

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you've got a 3d printed object 3d
printing<00:01:21.299><c> has</c><00:01:21.540><c> given</c><00:01:21.840><c> engineers</c><00:01:22.470><c> designers</c>

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printing has given engineers designers
 

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printing has given engineers designers
and<00:01:23.549><c> just</c><00:01:24.030><c> everyday</c><00:01:24.420><c> people</c><00:01:24.570><c> the</c><00:01:25.290><c> ability</c><00:01:25.409><c> to</c>

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and just everyday people the ability to
 

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and just everyday people the ability to
create<00:01:26.100><c> complex</c><00:01:26.700><c> objects</c><00:01:27.390><c> that</c><00:01:27.600><c> they</c>

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create complex objects that they
 

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create complex objects that they
previously<00:01:28.170><c> weren't</c><00:01:28.890><c> able</c><00:01:29.009><c> to</c><00:01:29.540><c> doctors</c><00:01:30.540><c> are</c>

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previously weren't able to doctors are
 

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previously weren't able to doctors are
using<00:01:31.020><c> 3d</c><00:01:31.290><c> printing</c><00:01:31.799><c> to</c><00:01:31.979><c> make</c><00:01:32.009><c> prosthetics</c>

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using 3d printing to make prosthetics
 

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using 3d printing to make prosthetics
and<00:01:32.970><c> some</c><00:01:33.689><c> companies</c><00:01:34.079><c> have</c><00:01:34.259><c> been</c><00:01:34.380><c> using</c>

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and some companies have been using
 

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and some companies have been using
larger<00:01:35.070><c> scale</c><00:01:35.340><c> printers</c><00:01:35.790><c> to</c><00:01:36.000><c> create</c>

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larger scale printers to create
 

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larger scale printers to create
buildings<00:01:36.900><c> and</c><00:01:37.200><c> cars</c><00:01:37.439><c> as</c><00:01:38.030><c> the</c><00:01:39.030><c> technology</c>

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buildings and cars as the technology
 

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buildings and cars as the technology
continues<00:01:40.079><c> to</c><00:01:40.110><c> get</c><00:01:40.350><c> more</c><00:01:40.530><c> precise</c><00:01:41.030><c> faster</c><00:01:42.030><c> and</c>

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continues to get more precise faster and
 

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continues to get more precise faster and
cheaper<00:01:42.439><c> its</c><00:01:43.439><c> applications</c><00:01:44.130><c> will</c><00:01:44.399><c> only</c>

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cheaper its applications will only
 

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cheaper its applications will only
continue<00:01:45.270><c> to</c><00:01:45.299><c> grow</c>

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Goodwill<00:01:49.680><c> Community</c><00:01:50.130><c> Foundation</c><00:01:50.790><c> creating</c>

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Goodwill Community Foundation creating
 

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Goodwill Community Foundation creating
opportunities<00:01:51.840><c> for</c><00:01:52.049><c> a</c><00:01:52.140><c> better</c><00:01:52.170><c> life</c>