►
Description
-----------------
What you see here at Open Source Ecology is an ambitious open source project for the common good. Join our development team:
http://opensourceecology.org/wiki/OSE_Developers
We run One Day Extreme Build workshops in many locations. Please put yourself on our map if you'd like us to host a workshop near you:
https://microfactory.opensourceecology.org/request-a-workshop/
Take a minute to subscribe to our email newsletter (updates, workshops, etc): http://bit.ly/1LtcM44
A
In
an
email
that
I
sent
so
welcome
to
day
number
four,
so
this
is
technically
the
the
last
day
of
the
printer
build
and
we're
little
we're
a
little
behind
schedule,
but
we
also
discovered
that
we've
got
the
After
Hours
open
source
chain
gang,
so
we're
gonna
loop,
oh
who's,
the
author
of
the
chain
gang
we're
gonna
loop,
Sam
Cooke's
chain
gang
until
we're
done
tonight:
okay,
so,
okay,
so
all
together,
progress
is
pretty
good
and
I.
Think
people
are
learning
quite
a
bit.
A
I
do
appreciate
how
we're
teaching
each
other
like
right
now
what's
in
a
shop
right
now
is
it's
quite
good.
We've
got
a
bunch
of
frames
and
axes
pretty
much
finished
for
most
of
the
machines
and
the
next
steps
right
now
are
implementing
the
controller.
So
we've
got
all
the
parts
that
should
go
pretty
pretty
quickly
because
it's
essentially
about
attaching
a
number
to
the
3d
printed
controller.
So,
like
all
the
placeholders
are
there
and
you
don't
have
to
measure
stuff
which
is
typically
like
okay.
Where
does
something
go?
A
B
B
B
A
D
A
B
A
A
A
A
A
C
B
B
A
B
A
C
C
A
C
A
D
A
Is
one
of
the
leading
open
source
hardware
products
out
there?
It's
a
great
project.
It
has
spawned
thousands
and
millions
of
people
into
small
clients
and
microcontrollers
it's
to
the
core.
Our
3d
printer
can
be
used
for
many
different
machines.
Beauty
of
it
is
because
you
can
evaluate
the
plans.
You
can
also
CNC
mill
or
fabricate
one
of
those
forms.
Yourself
say
you
don't
have
to
supply
chains
available,
but
you
know
as
soon
as
you
serve
in
the
middle
and
copper
clad
boards
and
an
access
to
some
components.
You
can
build
them
yourself.
B
A
D
B
B
A
B
A
A
B
A
A
B
B
C
A
A
A
C
B
D
D
B
B
A
A
C
A
A
An
emulsion
either
linear
or
rotary,
so
there's
mainly
like
to
talk
to
the
motion
is
linear
and
rotary,
and
the
concept
of
the
bearings
and
shafts
is
how
to
achieve
that.
The
linear
or
rotary
motion,
which,
for
example,
if
you
want
to
drive
a
car
you're
gonna,
have
to
have
an
engine
which
is
bearings
and
without
the
bearings
you
wear
things.
C
A
A
D
A
B
C
A
C
D
D
D
C
A
C
A
C
B
A
C
D
A
A
A
A
A
C
A
A
A
B
A
A
A
A
C
A
C
A
C
A
C
A
A
A
A
That
prevents
the
shaft
from
moving
in
out.
That's
the
design
principle,
we're
saying:
hey,
that's
minimize
the
machine
so
suppose
just
want
to
hold
a
shop
to
say
no
have
a
lathe
or
somehow
you
put
them
in
to
make
physical
artifacts
upon
the
shaft
itself,
use
some
kind
of
dollars.
When
collars
are
common
thing,
there
are
both
screws.
A
A
B
A
A
A
C
A
A
A
Serious
as
it
gets
three
inch
shafts
and
a
DIY
way
to
make
that
mount
upon
bearings
with
zero
machining,
that's
an
important
concept:
you're
gonna
go
to
John
Deere
they're,
probably
Matt
shafts
that
are
machined.
Finally,
with
steps
or
whatever
geometries
that
physically
lop
it
the
shaft
from
moving
in
and
out,
and
you
can
do
the
same.
A
Me
see
if
I
can
find
a
picture
of
that
I'm,
not
finding
a
picture,
but
I
can.
If
you
go
into
the
design
guide,
I
can
draw
that
I'm.
Gonna,
add
a
slide
and
all
I
would
actually
draw
this
because
like
if
you
can
actually
handle
mounting
wheels
or
rotors
of
any
size.
That
means,
if
you
know
how
to
build
a
frame.
A
You
know
how
to
mount
wheels
upon
it
and
that
gets
you
to
a
heavy
duty
vehicle
of
any
type
with
very
accessible
techniques
of
building
so
and
we're
kind
of
we're
going
through
this.
Some
of
the
pictures
of
micro
track
and
I'm
gonna
change
the
document
and
let's
do
a
little
experiment
on
a
document
itself.
So
I'm
gonna
open
up
once
again
that
edit
edit.
B
A
Of
the
document
and
paste
it
into
the
chat
box,
so
you
can
now
edit
that
as
well,
but
I'll
do
is
okay
right!
There's
someone
created
this
page
here,
but
what
does
well,
if
you
want
to
point
to
that
I'm
going
to
draw
that
because
I
think,
if
you
get
anything
out
of
this
lesson,
this
would
be
a
good
thing
to
get.
A
What
is
this
double
split
shot-caller
and
how
do
we
make
it
ourselves,
so
you
can
start
with
blame.
Are
you
there
yeah?
You
can
start
with
it
with
a
pipe
and
a
smaller
pipe
inside
of
that
not
a
small
pipe.
This
is
a
pipe
of
some
say.
This
is
since
we're
going
industrial
grade
and
to
us
heavy
as
it
gets.
Let's
take
our
three
inch
shaft
and
three
inch
piece
of
tubing.
C
A
A
But
now
what
happens
when
you
cut
it
in
half
you,
you
take
out
a
little
bit
of
material
at
the
cut
that,
because
even
with
a
band
saw
a
tiny
bit,
but
because
this
this
collar
fits
tightly
upon
a
shaft
when
you
take
that
out
and
then
when
you
compress
that
the
fit
on
that
is
absolute,
hold
absolutely
hold
because
you
took
out
that
material.
That
means
it's
a
smaller
smaller
diameter
for
the
collar.
So.
A
A
A
And
those
are
your
flanges
and
then,
if
you,
if
you
have
a
hole
through
those
flanges,
what
do
you
do
there?
You
put
a
bolt
in
there
like
a
three
quarter,
inch
bolt
so
I'm
gonna
draw
a
bolt
in
there,
so
you
bolt
it
and
when
you
bolt
that
a
three
quarter
inch
bolt
has
a
few
thousand
pounds
of
clamp
force
well
with
that
kind
of
clamp
force,
you're
gonna
absolutely
bind
down
so
hard
that
that
that
shaft
is
not
moving
anywhere
so
say.
Well,
this
is
this
kind
of
clamp.
A
A
E
A
Your
slitting
it
the
tube
down
the
middle,
so
you
got
to
clamshells
once
again
the
clamshell
model.
The
class
shuttle
model
is
a
very
powerful
concept
for
DIY
or
or
accessible
design.
You
have
two
pieces
that
come
together.
That
means
you
do
not
have
you
just
take
the
bolts
apart
and
the
thing
comes
right
off
and
you
can
liberate
the
thing
if
you,
if
you
have
another
mechanism,
you
if
it's
say
was
a
clamp
collar
that
you
have
to
take
out
all
the
way.
I
mean
these.
A
G
G
A
Axial
resistance
of
the
bearings
of
the
three-inch
bearings,
so
we're
using
these
bearings
look
a
little,
but
they
look
just
like
that.
Three-Inch
bearings
are
pretty
big.
We
have
some
in
the
shop.
Yes,
it
can
handle
it.
They're
rated
for
several
thousand
pounds
of
of
axial
force,
I.
Think
it's
five
thousand
per
bearing
oh
wow.
Yes,.
C
A
Yeah,
because
if
we
get
stuck,
then
the
post-apocalypse
which
I
don't
believe
in,
but
if
you
do
basic
equipment
can
get
you
do
that,
so
the
CNC
multi
machine
that
we
have,
if
you
add,
grinder
elements,
how
do
you
make
ball
bearings
Google
this,
but
what
they
do
is
you.
You
make
little
rough
balls
of
shape,
but
the
ball.
Berries
are
very,
very
precise.
How
do
you
do
that?
Basically,
what
happens
is
there's
a
rotating
disc
balls
fall
down
in
there.
A
The
disc
rotates
it's
a
grinder
disc,
and
when
the
balls
fall
down
in
there,
all
their
sides
get
exactly
to
the
space
between
the
grinding
disc
and
a
flat
surface
for
the
remote
people.
We
can
probably
include
a
video
google.
How
ball
bearings
are
made
that's
very
accessible.
The
ball
bearings
have
been
around
for
decades.
Probably
when
was
the
first
ball,
bearing
may
probably
at
the
turn
of
the
19th,
maybe
like
1900
or
so
so
before
that,
because
you
need
things
like
ball
bearings
to
have
rotating
shafts,
the
clamp,
shaft
colors
are
very
important.
A
Let's
go
through
a
couple
more
of
their
concepts
here
about
about
shafts
and
bearings.
We
talked
about
the
two
of
the
two
points:
support
of
a
shaft
with
bearings.
If
there
are
some,
the
relevant
part
is
typically
motors
have
to
do
supports,
but
you'll
notice
that
some
have
one
if
they
have
one.
You
have
to
make
those
provision
to
add
the
second
one
so
that
you
can
handle
the
right.
Oh
there
you
go,
this
is
called
a
double
split,
shot
collars.
A
D
D
A
E
A
D
A
E
A
C
F
G
D
A
C
D
F
G
A
Costs
like
$10
or
$20.
Now
it's
it's
not
cheap.
That
material
is
several
dollars
per
inch
when
you
get
to
the
very
heavy
stuff-
and
this
is
where
the
open
source
metal
printer
is
very
relevant
because
you're
talking
about
increasing
the
value
of
that
welding
wire,
which
is
your
feedstock
for
a
metal
printer,
you
increase
the
value
from
that.
The
material
in
here
costs
like
twenty
or
thirty
dollars
a
pound,
it's
above
ten
raw
metal
costs,
a
dollar
or
less
per
pound.
When
you
get
virgin
steel,
it
left
about
an
hour
pound
these
days.
A
If
you
take
scraps,
scrap
steel,
it
costs
a
few
cents
per
pound,
but
this
would
be
an
excellent
case,
for
this
is
how
you're
building
your
tractors,
your
3d
printing,
this,
but
then
you
probably
want
to
put
it
on
a
machine
and
then
ream
it
out
smoothly.
But
the
rough
shape
that
you
can
get
from
a
3d
print
would
be
an
excellent
use
case
or
the
relevance
of
a
metal
3d
printer
based
on
a
MIG,
welder
question.
A
Another
way
to
do
it
another
way
to
do
it
is
you
can
only
cut
flats,
so
he
can
cut
rings
and
then
you
would
have
to
weld
the
Rings
together.
That
is
a
lot
of
work
and
then
each
ring
is
only
so
precise.
So,
at
the
end
of
the
day
you
would
stuff
to
machine
it
out,
make
it
very
smooth
and
what
happens
with
torching
is
yet
a
flame
hardening.
So
it
becomes
very
difficult
to
machine
that
unless
you're
grinding
riders
that
are
used
after
grinders.
A
C
A
A
E
A
B
A
A
C
A
A
E
C
E
E
E
A
Will
be
gonna
bury
themselves
5,000
pounds
to
the
created
fairy,
so
you
get
the
look
at
this
fast.
You
get
a
Google
that
certain
little
Center
or
Google
each
bearing
it
will
have.
You
can
find
it
online.
Typically,
they
don't
list
eight.
Yet
this
is
dead
perspective
of
ironies.
So,
if
you
over
to
you
especially,
they
should
give
you
the
radial
and
axial
loads
for
those
bearings.
F
A
A
Set
screws
set,
screws
and
and
other
ways
to
mount
things.
So
if
you
don't
have
a
clamp
mounting
mechanism,
the
other
way
to
do
it
in
there
relatively
easy
ways
is
like
they
do
it
on
an
agricultural
power
take-off
shaft,
which
is
splined
spline
shafts
of
the
other
concept.
In
that
case,
you
don't
need
two
bolts.
If
you
have
splines
so
a
thing
that
looks
like
a
star
called
splines,
if
you
have
splines
well
the
difficult
part
there
is,
you
need
a
coupler
that
has
splines
built
into
it
too.
A
So
that's
like
a
little
more
advanced,
but
it's
an
easy
way
to
get
huge.
Traction
and
splines
are
very
Council.
For
example,
on
the
back
of
any
tractor,
you
will
have
a
power
take-off
shaft,
which
has
splines,
which
would
just
clamp
something
on
it.
Look
like
a
little
little
set
screw
in
there
and
it
holds
what
about
if
you
have
a
collar,
so
he
just
made
a
collar
without
clamping.
A
B
A
What
and
the
stepper
motors
I
think
they're
like
that
or
like
that,
an
angle?
Why
can't
you
do
them
like
that?
I
think
it's
because
you're
actually
like
splitting
the
thing
apart.
That's
the
like!
That's
subtle,
like
you're
splitting
that,
when
you're
putting
all
that
force
in
a
set
screw,
you're
egging
out
the
actual
whatever
you.
A
Whereas
it's
you
don't
do
that
there.
So
in
a
study
of
this
like
when
you
think
about
this,
and
you
think
about
the
forces
that
you
can
handle,
we
figured
that
yeah.
You
can
do
this
for
direct
mounting
and
and
I.
Don't
see
anybody
else
doing
that.
But
if,
but
if
you
do
do
that,
you'd
have
access
to
easy
way
to
do
what
otherwise
would
be
very
expensive,
which
means
it
would
require
machining
and
particular
geometries
that
prevent
things
from
slipping
or
rotating.
A
G
A
Key
ways
in
shaft,
so
key
ways
are
a
rectangular
piece
of
stock
and
they
go
into
an
indentation
in
the
shaft,
so
that
and
the
coupler
also
has
a
key
way
in
it,
so
that
key
way
prevents
the
physical
slip
of
the
coupler,
so
you're
transferring
force
instead
of
just
spinning
a
very
common
thing.
Key
ways
are
kind
of
like
from
my
perspective,
if
I
could
avoid
a
key
way
we're
talking
about
like
your
heavy
heavy
DIY
equipment.
A
It's
just
very
easy.
Key
ways
are
not
as
simple
because
you
have
to
punch
them
in.
You
have
to
put
set
screws
in
sometimes
it's
hard
to
access
the
set
screws.
So
when
you're
building
very
large
machines,
it's
you
leave
yourself
enough
space
like
on
the
tractor.
We
built
in
two
days
with
four
people:
that's
pretty
radically
fast,
but
it's
simple,
because
we
don't
have
much
of
geometrical
constraints.
It
was
much
easier
to
build
that
54
horsepower
nut
plant
out
tractor.
A
Then
it
was
to
build
a
micro
truck,
as
in
a
micro
track,
we're
starting
to
engineer
for
precise
geometries,
and
that
takes
time
you
have
to
have
exact
exact,
fits
holes.
Routing
there's
tight
space
for
fittings,
but
in
a
bulk
tractor
like
the
box
with
wheels
concept
like
life
track,
one
or
this
life
track
version
iterative
version
here
with
a
couple
of
power
cubes.
So
that
thing
is
essentially
a
frame.
The
Box
beam
tubing
you've
got
the
shafts
and
couplers
the
universal
axis.
A
The
universal
rotor
go
back
to
the
nut
plant
out
on
the
on
the
nut
plant
out
tractor
you've
got
a
bunch
of
common
machines.
We
allowed
us
to
build
it
in
two
days
with
four
people:
power
cubes.
He
already
had
you
know,
as
we
already
had
two
of
them
shots
and
clamp
collars.
We
had
to
build
those
and
the
frame
had
to
be
welded
up,
but
you
can
conceptually
see
that
if
you
have
that
man
it's
a
lego
set,
it
really
is
except
you
have
to
have
1-inch
wrenches.
A
Box
with
wheels
now
the
track
is
welded
together.
The
track
is
one
of
those
things
that
we
cut,
that
all
on
the
iron
worker
machine
that
we
made,
but
we
have
to
weld
don't
link
pieces
which
are
holes
punched
with
the
iron
worker
takes
a
long
time
for
a
track
like
that.
You
want
to
see
and
see
cut
that
out.
That
would
be
like
okay
BAM
file
hit
on
the
torch
table,
walk
away
done.
Otherwise,
man
that
took
what
is
it
maybe
20
hours,
20
human
hours
per
track.
C
D
A
G
A
One
this
no
an
electric
one,
we
use
off-the-shelf
clamp
collars
and
we
had
two
inch
straps
on
that
not
three
inch,
so
that
was
off
the
shop.
We
didn't
know
that
was
possible
at
that
time.
But
then
we
said:
hey
wait,
a
minute
clamp
force.
When
you
look
at
the
numbers
for
a
one
inch,
vault
Google
platform,
one
inch
bolt
fifty
thousand.
What
is
it
the
clamp
great
a
bulb
to
me,
the
clamp
force
of
one-inch
grade
8,
volt
or
great
fiber
for.
D
A
General
purposes
clamp
loads
of
a
1
inch
bolt
this
38,000
pounds
you
screw
down
nut
nut
and
you've
got
38,000
pounds
of
force,
that's
serious
stuff.
So
I
looked
at
those
numbers,
I'm
saying
wait
a
minute.
If
you
have
that
you
can
absolutely
do
traction
on
wheels
too
and
that's
the
case.
Yep
I
think.
F
You
have
to
be
cognizant,
that's
the
collecting
a
little
bit.
You
couldn't
even
get
out
of
that
one
yeah,
that's
the
force.
You're
gonna
get,
but
you
also
multiply
that
by
because
you're,
not
using
the
shearing
capacity
of
the
bowl
you're
using
the
friction
between
the
Japanese
and
the
steel
after
you
have
to
multiply
that
by
your
friction,
coefficient
of
steel
and
steel,
which
is
yah27
something.
So
you
have
to
factor
that
damage.
We
do
it's
not
just
38,000
pounds,
and
then
you
also
have
time
your
factor.
Safety
on
that.
A
A
A
A
A
If,
before
you
think
about
this
way,
if
you
put
the
clamp
collar
on
but
puts
sand
or
something
that
does
not
crush
in
between
there,
then
it's
much
harder
to
make
that
spin,
because
it's
that
sand
biting
into
into
the
metal
actually
biting
into
it
under
all
all
those
thousands
of
okay.
So
that's
that's
a
good
concept.
There
see
what
else
and
that
will
wrap
up
because
we're
actually
a
one
hour
here.
I
talked
a
bit
about
how
to
build
it,
and
how
do
you
produce
this.
A
Maybe
I'll
wrap
up
with
this,
so
we're
talking
about
some
heavy-duty
stuff
here
that
doesn't
have
to
be
super
precise
in
terms
of
making
the
clamp
collars.
The
bearings
themselves
do
provide
good
and
good
accuracy,
so
they're
off-the-shelf
commercial
parts.
But
how
do
you
actually
end
up
making
your
own
bearings?
A
You
can
do
so
so
I'll
leave
you
with
this,
and
the
point
is
that
with.
If
you
buy
ball
bearings,
you
can
print
3d
printed
housings,
so
you
can
make
like.
If
we
wanted
to
do
the
two
inch
shafts
with
ball
bearings,
we
can
3d
print
the
plastic
and
use
steel
balls
once
again
arriving
at
the
concept
of
the
plastic
metal
composite,
but
I'll
show
you
an
example
here
so
opens
so
I'll
go
to
my
log
and
I'll
go
to
3d
printed
linear,
bearing
let's
take
a
look
at
this.
This
is
quite
interesting.
A
A
The
bowls
circulate-
and
this
is
absolutely
amazing-
and
you
can
do
that
right
now
at
home,
so
you're
knocking
out
the
cost
of
expensive
precision,
drive
systems
now
how
I
care?
Do
you
get
this
good
enough
to
make
a
very
high-quality,
3d
printer,
so
the
guy
who
built
this
I
saw
him
at
the
Midway
Midwest
RepRap
Festival,
the
3d
printer
meetup
of
the
United
States,
and
he
made
a
3d
printer
with
this,
and
the
print
quality
is
very
high.
So,
yes,
as
possible,
so
think
about
scaling
this
up.
D
A
The
ball
bearings
are
tens
of
thousands
of
psi
of
steel,
the
plastic
for
abs,
you're
close
to
10,000
psi.
Well,
that's
some
serious
force
that
this
could
hold
and
those
balls
are
kind
of
recirculating,
so
basically
think
about
okay,
that
that
weight
spread
over
over
all
those
balls.
If
you
want
this
to
be
more
more
heavy-duty,
I
mean
enlarge
this
make
it
larger
so
that
each
ball,
bearing
receives
a
smaller
fraction
of
the
entire
force,
but
this
is
a
very
powerful
concept.
A
The
way
you
print
this
for
production
engineering,
we
know
that
prints
have
little
bit.
You
know
your
your
point,
four
millimeters
strands
or
possibly
better.
If
you
use
a
smaller
nozzle,
but
the
way
you
would
have
to
print
this,
definitely
the
length
wise.
So
the
lines
are
running
along
so
pretty
much
the
length
wise
where
the
balls
are
going
you're
going
with
the
actual
strands
of
the
print.
So
there
is
a
little
bit
of
detail
on
production
engineering
on
how
you
print
this
thing,
but
other
than
that
we
have.
C
E
A
A
Yeah
and
there's
there's
a
cool,
so
I
could
talk
about
Barrett
bearings
for
their
free
printed.
Did
you
see
that
star-shaped
one,
the
flexible
one,
let's
pair
this
up,
because
this
is
important
like
how
do
you
actually
make
a
nice
linear
bearing
out
of
plastic?
That.
A
I
want
to
show
you
that
so
there'll
be
3d
printed,
linear
bearing
I
would
say
no
that
3d
printed.
D
A
G
E
E
A
G
A
A
Janna
3d
printed,
essentially
I,
can't
find
it
it's
somewhere.
I
didn't
put
on
that
with
you
selling,
but
it's
a
thing
that
so
think
about
it.
As
when
you
have
a
burying
like
you,
don't
want
to
print
just
like
us,
just
the
tube
with
a
hole
right.
You
can't
want
to
have
a
little
bit
of
give
there.
So
what
you
can
do
is
do
like
a
one
layer
or
like
a
shape.
That's
you
know
you.
You
got
your
linear
bearing
like
the
ones
we're
using
but
shape
like
that,
so
it's
going
in
and
out.
A
A
A
C
A
F
A
E
A
All
when
we
post
added
this
like
later
on
I'll,
try
to
add
that
shape
cuz.
It's
really
a
really
nice,
really
nice
design,
but
basically
the
concept
being
that
you
have
access
to
any
kind
of
complex
geometry.
You
can
also
draw
that
in
free
guide
rather
easily
in
the
free
caddy.
You
can
draw
this
as
kind
of
a
you
can
reverse
engineering.
A
You
can
draw
that
star
kind
of
shape
and
you
can
extrude
that,
while
rotating
it,
so
you
can
actually
reverse
engineer
it,
because
actually,
what
I
did
notice
that
it's
not
an
open
source
design?
Actually,
it's
an
non-commercial
license
on
that,
bearing
so
we
have
to
redo
it
ourselves
to
be
able
to
build
those
anyway.
A
Up
so
basically
you,
okay,
you're
gonna,
have
heavy-duty
metal
four
shafts,
and
then
you
can
get
into
access
of
3d
printing
this
so
just
to
develop
like
like
that,
linear,
bearing
that
was
shown
there
developing
practical
kids
for
that
to
sell
I
mean
that
is
billions
of
dollars
of
value.
I
mean
bearings,
are
corp,
civilizations
I,
think
I'll
wrap
up
there,
maybe
take
any
questions,
any
questions
on
shafts
and
bearings
and
any
questions
from
the
remote
audience.
A
G
A
E
A
A
F
The
PSI
measurement
is
pounds
per
square
inch,
so
it's
area
independent
mm-hmm.
So
you
know
strength.
Material
is
on
a
unit
area
basis,
which
means
that
an
inch
by
an
inch
you
have
even
applied
5,000
pounds
and
that's
where
it
would
fail,
and
so
you
can
do
this.
Thank
you.
Do
a
quarter
inch
by
quarter
inch.
You
just
factor
it
down.
Okay,
right!
Well,
factor
it
happens.
You
can
come
up
with
the
compressive
strength
of
the
material.
Are
the
the
compressive
force
you
can
apply
to
a
material
during
the
compressive
strength
it
so
like.
F
A
E
A
So
what
we'll
do
is
simply:
oh
I'll
do
one
or
maybe
for
whoever
and
I'll
demonstrate
on
one
as
I'm
demonstrating
you
guys
are
all
doing
it.
At
the
same
time,
we
found
that
worked
quite
well
in
the
previous
builds
and
we
were
able
to
knock
it
out
pretty
quickly
and
it
should
be
pretty
quick.
So
now,
there's
gonna
be
some
soldering
steps
done
like
we'll
start
with
mounting
all
the
components
we
do
have
the
plug
that
we're
making.
A
So
it
means
cutting
the
stock
material
for
the
blades
1-inch
pieces
and
then
soldering
the
wires
to
them.
So
there's
a
little
bit
of
soldering
for
people
who
want
to
learn
soldering
or
we
can
just
if
we're
running
out
of
time,
which
I
mean
we
are
running
into
the
constraint.
Is
we
talked
about
the
open
source
chain
gang
working
tonight
to
make
sure
we're
finished
cuz
tomorrow
we
want
to
have
all
the
printers
ready,
also
that
we're
designing
and
starting
to
prototype
right
there.
A
That's
so
kind
of
thing
kind
of
pace
yourself
for
today,
personally
I'm
ready
to
do
what
it
takes
to
finish,
because
we
really
want
to
have
those
printers
that
we're
producing
parts
for
the
next
phase.
So
when
we
do
this
today,
like
okay-
maybe
just
let's
just
give
the
soldering
to
someone
who
just
can
just
knock
it
out,
because
we
can.
We
can't
make
it
into
a
fool
lesson
for
everybody.
You
know,
but
she
can
you
know
at
other
times
or
in
after-hours
or
whatever,
but
I
would
really
suggest.