►
From YouTube: Development Team Meeting - Feb 26, 2019
Description
See https://wiki.opensourceecology.org/wiki/Development_Team_Log
-----------------
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
B
D
B
D
It
was
like
he
was
like
playing
down.
My
yeah
yeah
he's
like
well
tell
me
about
it.
I
told
him
about
and
I
told
him
about
passing
the
dev
test,
and
you
know
I
said
I'm.
Just
another
Academy
says:
oh,
that's
awful
sweet
look
likes,
I
loaded
it
up
and
showed
it
to
him
and
he's
like
how
long
ago
was
the
picture
taken.
I
said
I
heard
fourteen
years
ago
he
goes
I,
don't
think
it
was
14
years
ago.
You
know
like
why
do
you
have
an
opinion?
I
didn't
know,
you
know.
D
I
was
like.
Why
do
you
have
an
opinion
about
this
and
he
said
I
wonder
which
one
marching
is
and
then
ice,
like
did
I
say
marching.
C
A
A
B
C
Baby's
got
it
he's,
got
it
pace.
Caesar
I
see
the
chat
box.
C
C
C
Golf
cart
is
the
first
thing
just
a
little
update
on
that
then
there's
d,
3d
version,
19
point
O,
two,
so
I'm
still
working
on
further
refinements
and
refinements
I
mean
really
getting
this
through
the
industrial
great,
because
the
promises,
an
industrial
performance
fraction
of
the
cost
of
the
competition
etc.
That
needs
to
be
delivered
still
definitely
good
work.
C
Maybe
you
saw
the
the
clamp,
the
PVC
clamp,
if
you
wouldn't
mind
pasting
that
in
the
actual
picture
I
sent
you
so
that
we
see
the
physical
reality
of
it.
Okay.
So,
let's,
let's
start
with,
let
me
share
my
screen
here.
So
if
you
want
on
whose
recording
I.
C
Awesome:
okay,
so
when
you
yeah,
when
you
record
maybe
paste
post
to
the
switch
to
the
window
of
the
speaker,
speaker
or
the
presenter
so
like
I'll,
be
presenting
a
little
bit
on
the
slides
here.
So
if
you
want
to
take
a
look
at
that,
okay
update
on
an
open
source,
golf
cart,
so
it
was
an
interesting
meeting.
It
was
it
was
decent
work.
We
put
together
a
few.
So
that's
the
open
source.
C
Golf
cart
page
on
the
wiki,
so
we've
got
libraries
to
borrow
from
because
we've
done
prior
work
on
things
like
power,
cubes
and
frames.
Wow.
Look
at
that!
We've
got
the
hydraulic
motor,
that's
cat
it
up
and
that's
Katie
who
joined
us
for
the
design
sprints.
Oh
look
at
that!
That's
awesome!
You
can
download
it
here.
C
In
fact,
I
will
do
that
just
now,
because
that's
looking
pretty
tasty
and-
and
we
actually
came
up
with
an
interesting
workflow
on
that
part
where
you
import
images
into
free,
CAD
and
then
simply
draw
all
over
them
in
sketcher
and
then
extrude
that
so
it's
a
very
easy
workflow
I
did
some
work
on
that
frame.
So
they're
the
frames
got
three
sides
there.
C
C
Very
nice
there's
an
image:
let's
see
how
we
generated
this
so
Katie.
What
she
did
was
she
took
an
image
from
online.
We
found
actual
specs
of
the
motor,
so
these
are
relatively
decent
dimensions
for
what
we
have
for
the
actual
hydraulic
motor
I
know
the
shaft
is
tapered
here,
it's
a
straight
shaft,
but
we
should
have
a
tapered
shaft,
directly
four
wheel,
mount
motors
I'm,
trying
to
access
this
image
plane
here,
I'm,
not
sure
how
that
works.
C
But
hopefully
we
can
document
to
get
a
good
good
instruction
on
how
you
go
from
the
2d
or
technical
drawings,
which
sometimes
you
might
have
to
scale
when
you
start
just
give
that
off,
the
internet
will
probably
not
be
to
scale,
so
you
have
to
scale
it
to
the
proper
scale
and
from
that
point
whatever
you
extrude
draw
an
extrude
from
that
will
be
the
actual
part.
So
that's
that's
good
stuff,
okay!
C
Moving
on!
So
that's
the
open-source
golf
cart
will
do
another,
not
this
week
weekend
but
week
from
now,
not
two
weeks
from
now
about
we'll
check
back
in
and
by
that
time,
we'll
do
some
more
work
on
on
parts.
Putting
parts
into
the
cat
and
see
how
far
we
get
to
the
relatively
finished
design,
we
can
maybe
wrap
some
things
up.
Okay,
so
my
first
part
in
the
team
meeting
there
is
continued
to
work
on
the
exterior.
So
if
you
look
at
that
on,
let
me
put
a
link
to
this.
C
This
is
the
updated
extruder,
so
moving
on
and
on
with
refinements
and
refinements.
But
what
we
see
here
is
an
assembly
that's
valid
for
now
the
Titan,
the
Titan
arrow
with
a
volcano
nozzle
okay,
so
the
former
version
of
the
extruder
was
one
for
just
a
regular
nozzle.
That
means
you
can
do
like
really
big
nozzles,
like
one
point,
two
millimeters
or
1.4
millimeters
or
even
2.0
millimeters
I've,
seen
nozzles
that
are
2.0
millimeter,
but
with
a
former
one,
the
margin,
the
regular
heater
block
is,
goes
up
to
0.8
millimeter.
C
This
is
getting
bigger
and
better,
so
so
design
this
on
one
side
designed
a
new
fan
and
sense.
There
holder
that's
integrated
onto
the
front
of
the
existing
extra.
So
you
see,
on
the
left
hand,
side
is
the
print,
that's
3d
printed
and
you
can
see,
there's
a
clamp
bolt
holding
the
sensor
so
removed
the
the
nuts
and
washers
just
did
it
with
this
single
clamp
into
a
tubular
holder
and
then
the
fan,
the
geometry
of
the
fan
shroud,
is
completely
different.
It's
it's
not
omnipotent.
C
It
was
good
in
that,
once
I
designed
the
part
I
worked
completely
within
freecad
around
existing
part.
Libraries
like,
for
example,
the
sensor
we've
got
accurate
CAD
of
the
little
blower
we've
got
accurate
cutoff.
So
as
long
as
I
was
able
to
generate
that
well
within
freecad,
it
fit
perfectly,
and
so
this
is
the
design
here.
C
Without
the
fan,
let's
see
so
we
can
merge
the
way
it
is
set
up
right
now
on
the
19
point,
o2
page
in
a
part
library,
the
the
fan
and
the
the
sensor
are
separate
files
because
they
have
detail,
they
have
threads
or
fins
which
take
up
a
lot
of
memory.
So
I
split
that
into
two,
but
if
you
into
different
parts,
but
if
you
just
download
the
eight
millimeter
sensor.
C
Do
that
and
then
download
the
blower,
the
5015
blower,
that
you
can
merge
that
into
the
freaking
pile
and
they'll.
It's
been
saved,
positionally
correct,
such
that
if
I'm
gonna
go
to
freak
at
and
go
file,
merge
so
I'm
gonna
merge
my
blower
right
there.
It
jumps
right
into
place
and
then
file
merge,
eight
millimeter
sensor
and
there
it
is
so
that's
the
assembly.
That's
the
guide
rods!
That's
that's
a
carriage
piece,
but
you
can
see
it's
it's
I
like
it.
It's
cool
like
a
dad.
C
Just
freehand
drew
up
this
curved
nozzle,
just
kind
of
look
that
okay,
here's,
my
geometry
of
the
fan
and
the
and
the
sensor
and
I
just
bent
it
just
drew
it
freehand
and
sketcher,
and
then
extruded
it
that's
what
I
did
and
printing
worked
really
well
printed
on
this
bottom
side
here
so
I
started
the
printed
on
flat
side
here,
where
both
this
ring
and
these
bottom
pieces
are
all
on
the
print
bed.
At
the
same
time
now
this
bolts
onto
the
front
of
the
titan
arum
extruder.
C
B
C
There's
that
yeah,
so
that's,
that's,
basically
the
design
it
clamps,
this
assembly
clamps
around
the
carriage
piece,
so
so
the
motor
is
now
on
top
and
then
the
nozzle.
If
you
look
at
it,
look
at
the
geometry
here,
it's
basically
right
below
the
carriage,
because
this
heater
block
is
longer.
You
can
put
the
extra
assembly
on
top
of
the
carriage
now
I
have
it
upside
down,
but
it's
just
enough
so
that
the
nozzle
sticks
down
below
the
bottom
surface.
C
With
the
other
heater
block
that
wouldn't
work,
we
had
to
understand
the
extruder
meeting
below
the
below
the
carriage.
Now
we
put
it
on
top
and
therefore
the
omnidirectional
fan
shroud
does
not
work
anymore,
because
there's
no
space
for
that.
So
just
did
this
new
fan
nozzle
like
that
just
one
direction,
but
that
should
be
fine.
Now
the
thing
I
don't
like
about
the
omnidirectional
fan
shroud.
Is
it
hides
the
complete
print?
C
If
you
look
at
the
former
version
of
the
extruder,
this
fan
shroud
hides
everything
here,
so
you
can't
see
how
your
print
is
turning
out
and
you
want
to
see
it
if
you
really
want
to
be
able
to
look
at
it
for
the
first
layer.
So
that's
a
definite
disadvantage
of
omnidirectional
fan
shrouds
when
they
cover
the
print
this
one's
on
the
side.
C
So
you
can
still
see
the
print
okay,
that's
about
that
and
continuing
with
the
full
cat
of
this,
this
3d
printer,
using
a
12-inch
frame
so
we're
using
the
12
14
16
inch
frames
I'm
moving
forward
good,
that's
my
report
on
that.
Second
I
want
to
bring
up
a
couple
more
things,
so
thinking
about
high
temperature
printing
because
there's
a
lot
of
okay.
The
problem
statement
on
high
temperature,
printing
and
I'll
was
a
page
on
the
wiki
high
temperature,
heated,
X
and
closure.
C
So
I
got
thinking
about
okay.
How
do
you
separate
high
temperature
printing,
because
some
things
some
plastics
go
really
high,
like
you
can
go
print
with
plastics
that
you
have
to
print
that,
like
400
Celsius
on
the
nozzle,
we're
typically
like
PL
is
200
about
you
can
get
into
crazy
stuff.
We're
heated
enclosure
means
that
the
print
doesn't
warp,
that's
good
for
polycarbonate.
It
enables,
for
example,
a
polyethylene
polypropylene
which
are
notoriously
hard
to
print
because
they
always
thought
it
bad
they'll
warp
up.
C
Well,
if
you
have
access
to
bunch
of
different
Moorman
other
materials,
so
here's
the
concept
I
just
wanted
to
bring
this
up
because
I
haven't
seen
this
anywhere,
but
basically
you've
got
the
kiss.
So
this
is
our
new
extruder.
You
got
the
carriage
and
attach
to
the
carriage
is
a
heat
shield
and
the
the
heated
enclosure
simply
encloses
the
heated
bed.
It's
not.
It
doesn't
close
the
whole
printer
because
the
idea
is,
if
you
can
close
the
whole
printer,
everything
will
get
hot
and
the
motors
themselves.
C
They
can't
get
more
than
like
80
degrees,
Celsius
they'll
just
burn
up.
So
that's.
Why
then
closure?
If
you
want
to
print
at
high
temperatures
like
this
could
get
you
up
to
like
200
degrees
Celsius
in
the
enclosure,
while
leaving
everything
else
cool
because
it's
outside
the
enclosure,
so
there's
the
nozzle
build
plate.
Then
closure
has
basically
got
like
felt
or
fuzzer
like.
Let's
see,
it
would
be
something
like
fiberglass
boundary
between
this
plate,
so
the
plate
moves
back
and
forth
as
the
printer
prints.
C
C
High-Temperature
plastic,
for
example,
be
Pei
or
whatever,
or
something
like
even
fiberglass
insulated
metal
or
something
where
you
keep
the
temperature
hot
inside
and
the
bed
can
still
move
up
and
down
because
you
have
long
slits
in
that
enclosure,
so
the
z-axis
can
move
up
and
down,
but
the
X
Y,
which
is
the
bulk
of
the
motion
there.
That's
just
all
riding
on
the
top.
Keeping
that
seal
closed.
C
As
you
see
here,
enclosure
has
an
insulating
wiper
on
top
surface
to
block
heat
from
escaping
around
the
heat
shield
play,
so
the
bottom
overall
heated
enclosure
can
be
as
hot
as
needed
as
all
the
components
remain
outside
the
enclosure.
Take
a
look
at
that.
This
is
an
easy
implication
with
our
printer
I'll
be
working
on
that
as
well,
because
we
want
access
to
all
kinds
of
print
printing
materials
and
all
kinds
of
temperatures
so
not
limited
to
stuff.
That's
easy
to
print
like
PLA
or
abs.
C
Okay,
that's
that's
about
that,
and
the
third
thing
I
want
to
bring
up
is
the
idea
of
MIG
casting
so
the
idea?
It's
a
hybrid
idea
between
a
couple
of
a
couple
of
different
things.
The
page
Nowacki
is
a
mega
casting
now
pace
then.
So
what
is
this?
It's
a
hybrid
between
MIG,
welding
and
casting
say
what
well
the
idea
about
casting
is
that
you
have
to
melt
metal
somehow
well,
why
not
use
a
welder
to
provide
that
molten
metal?
C
C
But
here
you
can
do
this,
combines
3d,
printing,
mid
welding
and
casting
so
it's
like
investment
casting
where
you
make
a
form,
so
you
always
have
to
have
some
kind
of
a
form
into
which
you
pour
the
hot
metal.
Here.
The
idea
is
3d
print,
something
that
you
can
then
later
burn
out.
So
a
3d
printer
shape
that
you
want
to
3d
to
turn
into
metal,
put
it
into
a
plaster
mold
like,
for
example,
plaster
of
Paris.
So
you
can
take
a
look
at
the
links
on
the
wiki
there.
C
You
can
look
at
3d
printing
investment
casting
which
is
actually
from
lulzbot.
That's
that's!
What
inspired
this
I
saw
that
and
we
got
excited
about
this
method
and
then
there's
a
vapid
if
pattern
casting
look
at
that
up
on
Wikipedia
and
lost
shell
casting
by
another
guy
named
Joshua
Le
Coq,
but
combine
these
things
together,
so
so
you're
gonna
do
a
3d
print
then
put
that
into
plaster
of
Paris
by
pouring
the
plaster
of
Paris
around
it.
And
then
you
have
a
mold!
C
Then
you
burn
that
out
or
if
you
have
printed
only
a
shell,
you
don't
even
need
to
print
that
out,
burn
it
out.
The
weld
itself
will
will
melt
it
out.
So
what
you
do
is
you
have
to
leave
a
hole
at
the
bottom
of
your
form
to
put
in
an
electrode,
because
welding
work
something
a
closed
circuit.
You
gotta
close
the
circuit.
C
You
can't
just
weld
into
a
ceramic
because
you
have
to
have
a
ground,
so
you
put
in
a
ground
at
the
bottom,
you
weld
into
the
container
and
there
you
get
a
shape
such
as
for
us.
What
would
be
extremely
valuable
is
in
five
minutes
if
we
have
this
form,
take
your
MIG
welder,
where,
like
a
300
amp.
Well,
their
deposits,
like
about
ten
pounds
of
metal
per
hour,
I,
was
looking
at
the
well
deposition
rates.
C
450
450,
amp
welder
gets
you
17
pounds
per
hour,
you're
talking
about
a
lot
a
lot
of
metal,
so
you
can
do
a
lot
of
this
stuff.
So,
basically
in
five
minutes,
if
you
have
the
form
you
MIG
weld
into
it
and
in
five
minutes
you
can
make
a
metal
part
that
was
initially
3d
printed.
This
isn't
that
sweet,
so
I,
don't
see
why
this
would
not
work.
It's
a
combination
of
where
well,
it's
limited
its
to
this.
This
is
not
good
for
everything.
C
You
have
to
have
access
to
the
weld
gun
to
basically
point
the
weld
gun
into
the
top
of
that,
whatever
you're
printing,
but
things
like,
for
example,
six
spline,
PTO,
shaft,
couplers,
six,
fine,
shafts,
couplers
that
complex
spine
geometries
or
the
the
drive
sprocket
for
the
micro
track,
with
an
integrated
hub
to
to
attach
to
the
axis
complex
geometries
that
have
that
can
be
molded
in
a
mold
that
has
an
open
face.
So
there
you
go,
take
a
look
at
that.
This
would
be
as
fast
to
prototype.
C
This
would
be
as
fast
as
getting
some
plaster
of
Paris
3d
printing
apart
making
a
mold
by
putting
that
into
you
know
like
a
gallon
jug
put
the
form
in
there
pour
the
plastic
of
Paris
around
that
and
then
melt
out,
burn
out
of
the
form
or
leave
it
in
there.
If
it's
it's
a
shell
and
then
make
the
world
into
it.
C
So
anyway
definitely
will
try
this.
This
is
very
exciting
because
if
you
can
do
metal
through
3d
printing
accuracy,
then
we've
broken
the
one
millimeter
barrier,
any
type
of
made
gun
based
additive
manufacturing.
So
very
good
news.
This
also
lends
itself
very
well
to
extreme
manufacturing
workshops.
Cuz.
Imagine
we
were
you
know:
we've
got
a
busy
workshop.
We're
building
the
tractor
and
a
day
can
get
a
bunch
of
people
with
relatively
no
skill.
Just
doing
this
gun
gun,
MIG
welder
gun
based
casting
process
just
with
a
welding
helmet
as
a
protective
equipment.
C
E
E
Had
a
question
on
the
bed
and
the
yield,
how
would
you
know
if
it
was
like
a
flexible
fabric
like
you
know
you?
Maybe
if
I
realized,
I,
even
a
plastic,
how
would
you
ensure
that
you
know,
as
the
XY
moved,
that
it
wouldn't
drag
the
heat
shield
into
the
end
of
the
printed
material
or
move
it
around?
Have
you
thought
about
that?
Well,.
C
E
Karen,
no,
so
that's
the
top
of
the
heat
shield,
but
I'm
thinking
about
the
fabric
on
the
sides.
So
how
do
you
ensure
that
that
doesn't
drag
into
the
material?
Oh.
E
Okay
got
it.
That
thing
is
just
fixed
to
the
frame,
okay
and
and
then
so.
Basically,
it
forms
like
a
tent
over
sort
of
does
trying
to
figure
out
the
best
way
to
ask
my
question
so
basically,
the
the.
C
I
per
like
the
the
fixed-
yes,
so
that's
actually
I
didn't
specify
that
pumpa
yeah
that
the
he'd
enclosure
itself
is
a
fixed
structure
with
the
wiper
on
top
on
the
top
rim,
so
you're
you're,
making
this
glide
contact
so
something
like
the
top
top
surface
of
the
heated
enclosure,
meaning
the
top
rim
would
have
something
like
fiberglass
like
fiberglass
sheathing
or
some
something,
that's
soft,
so
that
the
heat
shield
moves
against
that.
Keeping
that
that
closed
well.
E
C
C
Okay,
all
right,
this
is
by
the
way
this
is
feasible
only
with
printers
that
have
the
fix
the
the
stationery
bed.
In
other
words,
the
bed
is
not
like
typical
proofs
of
printers
have
the
moving,
don't
play,
write
and
act,
and
the
actual
printing
axis
moves
up
and
down.
So
you
can't
do
that.
It
has
to
be
with
the
system
where
the
external
gantry
is
fixed
on
a
frame,
so
it
doesn't
move
down
otherwise
you'd
hit
into
the
enclosure.
F
C
Only
the
ultime,
kurz
and
OSC
printers
do
that
kind
of
stuff,
both
Prusa
most
of
the
stuff
out.
There
is
a
moving
build
surface
which,
to
me
I
mean
that's,
I
mean
I've,
always
whined
about
that.
That's
you
can't
do
industrial
grade
stuff
with
that
kind
of
kind
of
setup.
When
you
have
a
moving
build
plate,
you
can't,
for
example,
print
tall
object,
that's
which
would
just
shake
off
the
surface.
If
you're
printing.
B
C
Any
decent
either
so
yeah
this
design
is
lends
itself
to
much
more
flexibility
and
quality,
and
it
allows
this
enclosure
which
kind
of
dawned
on
me.
I
was
thinking
about
this
after
I
put
the
extruder
on
top,
it
became
obvious
that
hey
now
you
can
enclose
whatever
is
below
the
entire
axis
assembly,
because
the
extruder
is
way
at
the
top.
It's
not
like
hanging
below,
so
it
became.
C
Thus
the
nozzle
is
sticking
out
and
therefore
you
can
enclose
that
whole
whole
build
chamber.
Yeah
yeah,
which
I
haven't
seen
it's
max,
should
be
patented
I
know.
There's
a
patent
on
heated
enclosures
out
there
I
haven't
looked
into
it
much,
but
I,
don't
think
it
matters
because
we
could
innovate
around
it
if
this
is
enclosed,
already,
no
pun
intended,
but
because
we
published
this
here,
this
cannot
be
enclosed
anymore.
Unless
it's
already
been
enclosed.
C
Cool
cool
stuff:
okay,
because
the
wiki
license
is
called
CC,
by-sa,
so
whatever's
on
the
wiki
that
that's
prior
art
for
and
it's
got
a
time
stamp
on
it.
So
nice
there
you
go!
Oh
yeah,
any
other
questions
on
a
heated
building
closure
or
the
mid
casting.
C
Okay,
so
definitely
worth
trying
those
are
low-hanging
fruit,
experiments
that
can
be
implemented
pretty
rapidly
so
see
when
I
can
get
the
time
I'm
working
on
now,
building
the
printer
with
a
over
slung
extruder,
the
new
extruder
so
once
I
have
that
maybe
just
build
the
enclosed
box
around
what's
below
it.
We'd
have
to
mount
the
heat
shield.
Somehow
that's
not
considered
in
the
current
design,
so
definitely
would
have
to
redesign
just
to
mount
a
plate
of
something.
C
I
was
thinking
like
a
good
material
for
that
heat
shield
would
be,
for
example,
Pei,
which
is
a
high-temperature
plastic.
It
melts
at
like
four
hundred
Celsius
or
something
like
that.
450
Celsius,
so
there'll
be
a
good
material
for
heating
and
it's
also
transparent,
so
that
that
would
work.
C
It's
the
same
stuff
that
we
have
on
a
build
plate
on
a
build
surface,
the
stuff
that
makes
prints
stick
to
it
and
when
it's
cold
they
popped
right
off
like
for
example,
here
my
house
I'm
not
heating,
this
part
of
the
house,
when
you
finish
the
print.
Typically,
you
have
to
wrestle
it
well,
if
you
don't
have
Pei,
you
definitely
have
to
wrestle
it,
but
with
Pei,
it's
supposed
to
converging
gently
off
the
surface
right
away.
C
Well,
in
this
case,
it
literally
popped
off
by
itself
because
it
was
near
freezing
weather
so
that
P
I
stuff
really
works
for
getting
the
prints
off,
which
also
means
a
good
thing
for
automatic
part
harvesting,
because
you
can
simply
bump-bump
the
finished
pieces
off
with
a
bumper
to
collect
them.
So
you
could
have
like
24/7,
automated
printing
just
part
after
part
finish
apart
bump
it
off
finish
apart
bump
it
off
into
a
container.
C
C
These
are
tiny
prints,
but
yeah
I
mean
the
result
is
so
first
of
all,
like
you
print
them.
This
they're,
like
literally
they're,
pretty
glossy
on
the
bottom,
pretty
much
come
right
off
the
build
plate.
As
I
said,
it's
pretty
cold
in
here,
I
wore
my
wearing
the
jacket,
not
heating.
This.
This
house
here
we're
another
section
of
campus,
but
the
report
on
this
is
I
mean
the
the
feature
sizes
are
tiny,
tiny.
It's
it's
definitely
small
like
when
I
actually
touch
it
and
feel
the
you
know
how
tiny
the
little
magnets
would
be.
C
C
C
Getting
down
to
because
these
things
are
like
three
millimeters
diameter,
the
depth
of
the
side.
Holes
is
like
1.5,
millimeters
I.
Think
yes
happening.
So
what
are
we
gonna
do
I
would
say
what?
If
we
can
we
double
the
size
of
these
magnets
I
mean
we
have
to
make
something
bigger
like,
for
example,
so
the
little
pinholes
like
you
see
this.
You
have
like
the
Lego
block
like
little
protrusions
yeah.
E
C
That
are
supposed
to
fit
in
the
corresponding
holes
at
the
bottom
ferns,
because
these
two
pieces
are
supposed
to
snap
together.
Two
pieces
are
supposed
to
snap
together
with
the
magnets
in
between
yeah:
that's,
they
don't
really
fit,
and
if
you
see
like
the
size
of
the
features,
I
mean
it's
way
smaller
than
the
bumps
on
Lego
blocks.
So
you
know
we
just
can't
get
that
accurate
with
a
printer,
not
at.
E
C
E
Yeah,
we
can
definitely
give
that
a
shot.
Can
you
so?
Your
screen
resolution
is
kind
of
low,
well
kinda
hard
to
see
that
the
detail
on
those
on
those
communities
yeah.
Can
you
take
a
picture
in
a
either
posted
on
my
log,
yeah
I,
just
posted
on
my
log,
so
you
basically
double
the
size
of
the
of
the
magnets
of
the
magnets
okay,
which
is
not.
C
E
C
E
It
so
so
my
concern,
my
main
concern
is
for
the
the
walls
that
so
those
are
the
six
six
and
a
half
thick
walls,
so
basically
for
the
exterior
walls.
E
We
have
some
thinner
walls
that
are,
for
you
know
four
inches
for
interior
walls,
don't
mean
to
make
them
I
doing
design
it
such
that
the
magnets
hide
in
the
4-inch
walls
as
well
any
uses
the
magnets
yeah
you
using
the
same
magnets,
but
basically,
basically
when
the
design
on
you
know
making
the
design
on
the
six
and
half
inch
walls
larger
than
it
needs
to
be
to
accommodate
the
4-inch
walls.
Yeah.
A
A
D
You
talked
you
talked
about
the
magnets
jumping
around.
Did
we
talk
about
all
about
putting
possibly
putting
ridges
or
fins
it
I,
don't
know
how
detailed
the
printer
will
get
inside
the
holes,
so
that,
like
when
you
put
the
magnets
in
it
moves
the
plastic.
You
know
what
I
mean
so
like
if
you,
if
you
put
thin
fins
inside
the
holes
like
little
tiny
ridges,
and
when
you
put
the
magnets
in
that'll
kind
of
create
a
tight
fit
for
the
magnet,
so
they
won't
jump
around
as
much
yeah.
C
D
D
E
E
B
C
D
If
you,
if
you
put
really
thin
like
really
thin
ridges
inside
the
holes,
then
when
you
put
the
magnets
in
it'll,
dense
ibly
would
like
bend
the
plastic.
If
the
ridges
are
thin,
I,
don't
know
how
thin
the
3d
printer
can
get
really
for
fitting
things
together.
You
know
so
so
they'll
kind
of
break
down,
as
you
put
the
magnet
in
but
it'll
hold
the
magnet
yeah.
C
C
G
C
C
And
that
process
takes
forever.
Unfortunately,
we
have
done
that
stuff,
so
yeah
yeah,
we
we
have
to
basically
be
able
to
get
the
magnets
in
there
have
them
hold
by
themselves
somehow
until
we're
ready
to,
because
because
in
principle
we
actually
don't
wouldn't
necessarily
even
need
to
to
glue
them
if
they're
inside
these,
these
double
sandwiches.
C
C
C
D
C
C
It's
pop,
no,
no
I
haven't,
haven't
heard
that,
but
that
could
be
possible.
You
have
some
high
performance
plastics,
there's
a
really
high
temperature
that
would
be
doable,
but
then
again,
if
you're
not
gonna,
be
able
to
get
the
resolution
issue,
which
I
think
is
what
you're
driving
at
because
you're
printing
with
a
3d
printer.
C
C
Know
we
could
yeah
like
we
can
do
smaller,
nozzles
like
okay.
This
was
point
four
nozzle
you
can
go
down
to
like
0.25
nozzles,
tighter
layer
resolution.
You
can
get
more
D,
but
I
mean
just
after
I've
seen
this
I
can
tell
you
I,
wouldn't
want
to
be
messing
with
those
those
small
magnets,
ooh
I.
Think,
let's
start
by
going
to
a
little
larger
size
like
first
of
all,
like
these
tiny
magnets
are
so
tiny
that
you
can
hardly
pick
it
up
between
your
fingers.
C
You
know
and
when
they're
so
strong,
it's
like
it's
actually
gonna
be
difficult
to
take
two
of
them
apart,
because
your
fingers
are
so
big
compared
to
the
size
of
that
magnet
I
mean
I,
didn't
really
occur
to
me
until
I
finally
print
these
out,
and
these
things
I
mean.
The
features
in
them
are
very,
very
small
to
the
point
that
you
definitely
need
tweezers,
and
how
do
you
take
two
magnets
apart
with
tweezers
I?
Don't
know
if
that's
possible
what.
E
C
You
know
everyone
said:
let's
get
into
the
magnet
which
I
was
like
too
bad,
they're
kind
of
cool,
but
it's
dexterity
wise.
It's
it's
not
easy
and
yeah.
C
E
A
C
E
C
That
and
think
about
it.
Like
imagine
we
have
this
modeling
kit
of
build
buildable
panels.
It's
something
that
literally
anybody
can
do
so
it's
it's
good
I
mean
it
might
look
ridiculous,
but
no
it's
not
it's.
You
think
about
doing
basic
functional
stuff
like
a
lot
of
people,
can't
even
do
that
which
is
showed
there
right
cuz.
You
know
you
have
to
have
some
skill,
but
if
you
show
a
pattern
of
how
you
can
do
that
exactly
with
these
modules,
then
literally
anybody
is
able
to
do
that
and
I
think
that's
really
valuable.
Yeah.
E
Most
definitely
I
mean
like
it
seems
like
it
seems
like
what
what's
good
about
this
project.
Is
that
like,
if
people
start
doing
it,
it's
like
really
accessible
to
kids,
and
so
you
have
a
pie,
use
option
and
so
basically
like
you're
leveling
up
sort
of
the
public
on
in
terms
of
like
sort
of
its
OSE
literacy
yeah,
you
know,
and
so
you
basically
have
young
people
who
are
eager
learners,
who
are
honest.
C
I
agree
with
you
and
I
am
still
very
excited,
as
I
started
talking
about
the
curriculum
aspect,
but
you
know
we
have
all
our
complex
stuff,
but
curriculum
wise.
You
know,
offer
this
as
a
kit
for
students
to
do
free,
CAD
to
do
real
design
like
little
little
additions
to
the
set
and
all
that.
So
we
can
definitely
put
some
attention
to
getting
this
into
schools
for
people
to
make
meaningful
stuff
because
I
know
in
school.
Of
course
we
don't
do
a
lot
of
practical
stuff,
but
this
could
be
an
example
of
really
practical
stuff.
C
E
C
E
All
right
here
we
go
so
if
we
look
here,
they'll
basically
see
a
like
I
made
it
so
that
you
can
put
the
magnets
in
flat,
and
so,
if
you
have,
you
know,
walls
that
are
connecting
to
other
walls
in
a
like,
so
walls
running
perpendicular
to
it,
the
walls
can
run
into
it.
Pretty
much
I
need
any
point.
Every
six
inches
I,
think
I
mean
it
wasn't
in
the
real
world
and
then
on
the
end
on
the
edges.
E
Here
basically
put
these
the
same
magnets
and
that
you
can
put
them
in
vertically
so
that
basically
you're
gonna
have
two
walls
butting
in
perpendicular
to
each
other,
and
then
you
print
off
two
of
these
float
them
around
and
stick
them
together.
That's
what
these
things
are
or
right
here
and
these
little
cavities
so
that,
basically
you
can
print
off
it's
the
same
part,
but
you
print
off
too,
and
then
you
have
a
full
six
inch
whole
6-inch
wall
and
though
the
reason.
E
C
C
E
E
You
open
up
free
pad,
so
let's
see
I'll
open
this
up
in
I,
like
sublime
text.
Editor,
that's
like
by
far
my
favorite
text,
editor,
basically
with
okay,
still
I'm,
pretty
much
reverse
engineering.
This
I'm
not
great
at
Python,
our
scripting
in
general.
Basically
anything
you
do
in
Python.
You
know
if
you
go
to
view
this.
F
E
F
E
E
E
C
Strive
for
something
that's
Ben's,
because
I
mean
we
can
always
look
up
stuff
in
it
or
not,
and
stuff
I
think
a
lot
of
times.
It's
important
that
people
get
the
overview
of
what's
going
on
like
pretty
quickly
so
cuz,
it's
really
about
repeating
it
just
going
through
it
again
and
again
till
you
really
get
it.
Okay,.
F
E
E
Right
yeah
I
had
one
and
one
question
yeah
about
my
design.
So
in
the
guys,
let's
see
your
I
wonder.
C
E
B
C
Okay,
but
there
is
optimizations
you
can
do
later
on,
like
you
know
like,
if
we're
actually
doing
rigorous
production
engineering
on
this,
there
might
be
places
where
you
know
we
don't
need
the
insides
at
all,
so
just
print.
You
know,
design
the
shell
and
free
CAD
and
then
its
when
it's
slices
that
you
have
twenty
percent
with
the
empty
space
inside,
because
you
designed
the
empty
space
inside.
You
know
stuff,
like
yeah,.
C
It
was
not
a
lot
like
the
curriculum
is
not
there,
but
a
pro
pedia.
So
let's
look
at
this
because
there's
actually
pretty
good
stuff
from
the
Michigan
Tech
open
source
sustainability
back
with
dr.
joshua
pierce
there.
So
a
pro
PDA
org
and
there's
a
there's.
Let's
find
this
real,
quick,
3d,
printing
tutorial,
3d
printing
curriculum.
Let's
see
three
print
curriculum.
C
C
And
we
want
to
prepare
something:
I
can
adopt
that
for
us,
I
haven't
they
can
look
at
it
that
much
we're
in
kind
of
refactor
it
for
our
purposes.
I
guess
they
talk
a
lot
about
their
printer.
C
C
E
Right
sounds
good,
I
kind
of
anything
like
similar
to
the
similar
to
the
I.
Guess
we
got
a
101
thing.
Where
is
just
like
here's,
a
bunch
of
strat
like
good
best
practices
for
3d
printing.
You
know
just
things
to
keep
in
mind
or
there's
like
3d
printing
with
three
cat
or
something
like
that.
But
okay,
cool,
I'll,
I'll.
Look
through
that
wiki.
It
looks
like
there's
a
lot
of
stuff.
C
G
Yeah,
okay,
my
connection,
which
is
a
little
spotty,
someone
this
and
was
talking.
It's
I
missed
some
things,
but
hopefully
there'll
be
some.
Other
recordings
are
better
but
I
think
I
see
we
were
talking
about
on
the
near
log
and
so
on.
I
was
kind
of
looking
at
some
free,
CAD
macro
code
stuff
as
well
earlier
kind
of
after
the
design
sprint.
G
D
G
G
C
G
D
A
G
A
G
G
C
G
G
C
G
C
G
G
G
A
C
G
G
G
C
G
G
C
Seen
that
with
like,
like
working
with
metal,
I,
can
tell
you
that
it's
the
wing
structures,
which
is
what
you're
creating
here,
is
like
wing
structures
that
kind
of
stuff
works
well,
but
once
you
start
changing
the
diameter
of
the
like
a
shaft
and
and
to
further
shaft
that
the
bad
fed
just
makes
it
not
really
work.
Well,
because
you
don't
have
good
contact.
Okay,.
C
G
Yeah
I
started
to
do
some
stuff
on
ER
I
made
a
repo
to
put
some
freecad
macros
on,
because
I
was
working
on
stuff
to
make
that
go
faster
because
there's
a
lot
of
these
things
that
we
draw
a
lot
in
your
CAD.
They
some
of
them
were
a
little
hard
and
there's
a
lot
of
time
spent
and
plus.
But
I
was
trying
to
make
the
pre-cut
macro
I.
The
sketcher
was
behaving
a
little
as
it
gets
more
complex.
G
If
you
know
how-
or
you
just
have
to
rerecord
it
more
than
once,
but
either
way
to
get
more
stuff
in
macros
of
that
kind
of
thing,
uploaded
and
I
think
that'll
make
it
easier,
save
some
time
anyway,
and
people
I
found
that
often
working
in
looking
at
with
other
sketches
I've
learned
a
lot
from
that.
Because
I
think
people
first
started
out.
They
don't
know
how
to
the
best
was
to
start
out
drawing
things,
and
you
can
learn
a
lot
of
tricks
just
by
looking
at
other
people's
examples
and
sketches
on
things
like
that.
G
A
G
G
Than
I
it
started
to
and
we
worried
about
it
being
flexible,
negative
things,
but
if
the
frame
is
just
like
a
big
cube,
which
yeah
makes
sense,
I
mean
it's
not
like.
This
thing
needs
to
be
aerodynamic.
It
gives
you
lots
of
space
to
put
stuff
in
in
the
in
the
vehicle.
So
it's
nothing
how
to
how
to
make
some
braces
and
and
just
tie
it
in
with
the
rest
of
the
frame,
so
I
think
it'd
be
good.
To
have
a
I
mean.
G
Maybe
that's
not
a
priority,
but
if
you
could
to
have
more
discussion-
and
maybe
just
get
some
things
up-
it's
almost
faster
just
to
draw
things
out
on
paper,
sometimes
and
maybe
share
photos,
but
if
we
get
a
better
idea
that
the
measurements-
because,
although
the
parts
are
you
know
inevitably
related
to
the
other
part.
So
until
we
set
certain
standards
which
I
guess
that
the
outer
frame
size
that's
kind
of
fixed,
so
everything
else
needs
to
just
be
drawn
to
fit.
Inside
of
that,
you.
G
C
G
D
C
G
G
C
G
G
C
G
That
is
they're,
not
there's
a
nut
catcher
on.
Let's
see
on
this
clamp
and
the
current
clamp,
it
there's
it
to
get
it
short
enough
for
the
right.
Yeah
I
thought
the,
but
there
be
an
issue
for
the
short
side.
I
figured
the
the
net
catch
on
the
current
clamp
on
one
side.
Obviously,
there's
a
deep,
oh,
you
know
hole
or.
F
G
G
G
Of
course
it
could
be
the
other
way
in
the
bolt
it's
the
head
of
the
bolt
is
going
to
stick
out
on
that
thin
side.
Just
because
there
isn't
enough
space
but
I,
don't
think
it'll
be
in
the
way
of
anything
that
I
can
see,
because
you
can
just
face
it
towards
the
outside
and
then
it
doesn't
interfere
with
anything
best.
I
can
tell.
G
Yeah
I
haven't
reassemble
anything
to
that
because
well
I
think
I
updated
the
front
of
clamp
there
and
I.
Don't
know
if
I
updated
that
into
the
into
the
main
file.
I
thought
some
of
that,
but
it
needed
to
be
I,
think
kind
of
restructure
because
it
wasn't
quite
updating
automatically.
But
yeah
I
I
need
to
do
a
lot
more
assembly
there
and
first
of
all,
yeah.
C
B
D
B
C
F
C
D
C
C
C
All
right,
so
that's
so:
we've
got
a
few
things
in
progress
from
the
housing
to
the
PVC
clamps,
the
open
source,
golf
cart
and
it
works
and
moving
along.
So
yeah
we'll
continue
work
work
on
this
so
yeah.
Let's
take
it
away
until
next
Tuesday,
so
we'll
do
the
meeting
next
week
and
then
follow
up
design,
sprint
I'm
on
open
source.
Golf
cart
after.
E
Marcin
yeah
I
had
a
quick
question:
I
had
an
idea
that
I
think
it's
pretty
cool,
but
it
was
basically
like
people
could
start
up
sort
of
like
micro
maker
spaces
in
there
and
know
like,
for
example,
like
a
garage
or
something
like
where
they
could
say.
E
So
it
kind
of
really
a
like
a
really
basic
level
starts,
starts
alleviating
that
sort
of
artificial
scarcity
and
then
as
it
grows
then
like
one
person's
like
oh
I've,
got
some
more
space,
I'll
have
a
foundry
or
another
person's.
Like
oh
I'll,
you
know,
I'll
have
a
wood
shop
or
other
person's
like
I'll.
Have
a
guard
I'll
have
a
gardening
center,
or
something
like
that.
E
C
E
E
I
mean
I,
guess
so,
I'm
looking
at
maybe
looking
at
a
job
or
something
in
in
Austin,
Texas
and
I.
Just
I
mean
I
want
to
do
something
along
these
lines,
and
you
know
I'm
like
well
this
that
I
guess
you
know
start
start
where
you
can.
You
know
yeah,
so
I
I
guess
I
get.
If
if
I
were
looking
into
something
like
that,
you
know.
Would
it
like
how
like
would
would
you
want
to
be
OSU
affiliated
or
would
it
just
be
totally
on
its
own?
But
yours,
Oh,
OSD
technologies,
I
mean
it'd.
C
D
C
That
to
a
product
is
the
prime
thing
so,
for
you,
I
think,
will
be
pretty
important
to
get
your
hands
on
a
printer.
So
you
can
really
keep
working
on
this
and
make
it
into
a
sent
packaged
product,
because
that
that
could
be
like
your
now.
You
could
create
your
own
CD
go
home
prototyping
activity
around
that
yeah
and
making
kids
selling
them
cool,
good.
C
C
C
Need
to
do
because
that's
gonna
get
the
financial
feedback
loops
happening
when
we
can
actually
put
like
you
know,
buy
buttons
on
our
website
can
get
revenue
coming
back.
That's
we
haven't
worked
on
that
so
much
throughout
the
history.
We've
done
a
lot
of
workshops,
but
we
got
a
package
products
of
all
sorts.
So
we
really
put
it
put
attention
to
enterprise
development
aspects,
yeah,
okay,.