my name is Eric Strebel I'm an industrial designer welcome to my channel about
product design and making I hope that you like and joy and become a subscriber
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every time I have a new video you saw the design brief in the intro to this
video now let's follow the process that I used to match those criteria with the
product that I designed we're gonna start out with concept sketching I'm
sketching here with a ballpoint pen and I'm sketching out ideas where I'm trying
to meet the criteria set up in the design brief for this wireless charger
so it has to work horizontally vertically I come up with some initial
ideas and I don't feel that they're elegant enough I think that I may be
getting close and I'm able to use the charger in the horizontal and vertical
position but it's just not elegant and so I ultimately come up with an idea
here where I'm able to rotate and switch from different angles on the same device
it's very simple it's very elegant it's very sleek it just requires some
rotation by the user so there's no extra pieces or anything to lose it's all
self-contained so I really like this idea I don't want to explore it so the
next thing I want to do is maybe make like a little proof-of-concept to figure
out how this rotation mechanism actually works so I'm gonna use a little bit of
PVC I'm gonna cut this up on my bandsaw at about 25 degrees just to get a couple
pieces and see how they go together they don't go together so good that way but
this way it seems to have some promise so I'm gonna glue in another little ring
on the inside of this PVC and we'll see if this works all right this is looking
pretty promising I'll be able to use the phone in the portrait or landscape mode
and I'll be able to charge it and use the device at the same time and I can
adjust the viewing angle of my device so this is satisfying all the requirements
of the design brief next I'm gonna do a little bit more sketching and kind of
refine out the concept to help me visualize and understand how this thing
is gonna go together so this is a little n view I chose a phone on top of the
charger how it could lie and what its gonna roughly look like in terms of
scale the next thing you want to do is create a little orthographic drawing for
yourself to help you visualize this drawing is to scale and it helps me see
how big and what the diameter is of this tube that I have to make so 62
millimetres with about three or four millimeter wall thickness to do this I'm
gonna use some 20-pound modeling phone this is urethane foam I actually hate
this stuff because it just gets everywhere but it's ideally suited for
model making and that's one of the big things about
this video is to show another model making process in this case the urethane
so I grabbed a cylinder that's a little big bigger than I need I face off the
end to make it flush and I drill a little Center pilot next thing I need a
little face plate I don't actually own a lathe so I need to do all of this on my
drill press I build this little lathe faceplate to chuck up into my drill
press and here I'm just machining it flat and it has a little Center dot in
the middle and I can use that to align my piece of foam roughly in the right
place so that I can turn it on my drill press and machine out my part I'm gonna
super glue it in place with four strips of super glue by the way I also dislike
super glue it never really seems to work well for me in this case it does if you
have comments or suggestions about super glue leave them down in the comments
below I would love to learn what super glues work for you as well as what
accelerant kickers work we're gonna turn this foam cylinder into a tube at this
point I'm basically chucking up chisel in my cross slide vise and
plunging apart down onto the chisel chisel to get me my to make sure you're
wearing a mask for this stuff this urethane stuff is not great you don't
want to be breathing it in all right so we got a little 62 millimeter tube
diameter tube and it has about a three or four millimeter wall thickness and
that's exactly what we need and take that off and we're gonna be able to use
that to make the body of the charger but we need to do now is we need to make a
sleeve that goes on the inside of this tube because we're going to be cutting
this tube at an angle and we want this tube to have some support and we need a
sleeve to slide on the inside of it so that way when we cut it on the band saw
the blade is not distorting the piece we're getting a straight and accurate
cut 25 degrees on the bandsaw and I cut my first piece off the next one we got a
cut at 90 degrees to that 25 degree cut want to make sure my bandsaw is nice and
square now I want to cut that off we've got our two pieces I cut one more
piece off of the inside sleeve and this is gonna become my ring around which the
two pieces rotating I'm going to super glue everything together here and we're
gonna get our first taste of pelicans look I think it's a little bit loose so
I'm gonna cut a little strip of thick paper I'm going to super glue this onto
the inside retaining ring of the urethane foam I've got a couple of
sheets that I cut here about two millimeters thick I'm going to glue that
onto the top and that's gonna become the top face of my charger
all right let's trim that off with an exacto super easy with this foam is very
cuttable very toolable ideal for model maker there's not like the bottom part
of the charger needs some weight and so we're gonna make a little ammo soup here
with some clear resin and some babies yeah I'm gonna let that cure in the tank
so we don't get any bubbles here we're going to round rock off the top edge of
the charger this is gonna differentiate the top from the bottom having that
little radius little softer area so that you can easily grip it without your grip
your phone without grabbing the charger I've made a little adapter plate to hold
the electronics that go on the inside of this thing because this little mock-up
has to work of course these are some pre-existing electronics that's also
part of the design brief is this thing had to use some existing electronics so
I 3d print up a little holder and here's the two pieces together you can see the
charged coil there and the PCB this is roughly how it's
gonna fit on the inside of course I'm just laying it on the top here so that
you can see and I have those tabs that I've made and we're gonna trim those off
first though we need to remove the little LED from the printed circuit
board and we're to solder that off just because it's in the way that's gonna
make fitting the board inside much easier so we're just gonna trim off the
some of the tabs until we get this piece to fit there's a little file file things
nice and smooth get it to fit right
right you need to cut a hole for the micro USB port because this thing is USB
powered let's grab that in and cut it out with an exacto and just three four
millimeters of foam and it's pretty easy to cut that out with an exacto and you
can get a really nice cut I'm also drilling in the hole for the led just
using a dremel here and excuse me a little more control than a drill bit and
I'm gonna drop in a little piece of half-inch foam this is leftover from the
spray booth build just gonna hot glue this in that's all
but in this case it's easy appropriate I can cut that piece out if I need to the
bottom where all the bb's were we are just gonna lay down a coat of polyester
resin so some polyester body filler next we are going to paint the foam or seal
it with some shellac this builds up a little layer and it makes it so we have
to use a little bit less primer later on soldering on some wires onto that LED so
we can solder that back on to the board and we will have some flexibility and
I'll make it a lot easier for inserting this part now we need to have some sort
of a drips on the bottom of this wireless charger so I'm using a latex
and glove here and I spray some spray mount onto the bottom of that latex
glove and stretching it over part which is weighted
we're gonna trim it off and that's gonna give you like a little bit of grip
remember this is a prototype we're testing out concepts ideas we're trying
stuff you know there's no rules per se I mean you need to be inventive so this is
what the thing looks like I don't think it's particularly appealing in this
shellac color so we're gonna throw a little coat
of primer on there some white primer in the next video for next week I'm gonna
show you how to take this model to a high-gloss finish but for right now
we're gonna leave this the way it is so this is sort of the beginning process of
design development next would be going into CAD making adjustments there's
certainly things that I would like to adjust and make different but that's how
the design process starts don't forget to subscribe to my youtube channel you
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