do you think it's okay to cut foamcore like this with a dull x-acto blade do
you think it's okay to tape your foam core or hot glue it and have the glue
and the foam showing if you answered yes to any one of those questions and you
think this is acceptable this video is not for you my name is Eric pebble 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 when you're designing a
product sometimes you need to mock up stuff and make things and foam core is a
great material it's cheap readily accessible I'm gonna show you some basic
techniques for how to cut foam core correctly how to glue it together how to
make some basic shapes and cuts if you live outside the United States
it may not be called foam core and may be called foam board but it's all the
same stuff it's basically a thin sheet of foam sandwiched in between two pieces
of paper or a thick cardboard gives you a strong structural piece it's basically
a composite foam core comes in a multitude of different colors different
thicknesses and europe and even comes in metric
some of the tools that I use for cutting foam core is a good cutting mat
definitely a steel ruler some very sharp blades and you'll need lots of those
good exacto ones some tape some white construction glue like a PVA like a
Elmer's glue and hot glue which I'm not crazy about let's start with something
simple and make some basic cubes let me show you how I make them first let's
start with a basic cut I make no more than two or three cuts the first cut
cuts through the top layer of the paper the second and the third cut cut through
the bottom layer of the paper for this tutorial we're gonna make some 2-inch
cubes yeah I know inches I don't do stuff in inches but in
this case two inches was easy normally I do everything in metric what we want to
do is just make basic two inch by two inch slabs of foam core and I'm just
sectioning everything up I'm using a square to make sure that I get square
edges and square corners you don't want any of the foam actually
showing so we're gonna 45 every single edge of the six squares on the two inch
by two inch pieces that way none of the foam will be
showing pay close attention on how I make these cuts and I'm using a very
sharp exacto I'm basically making one cut every time the last cut need a
little bit more off the top to actually make it a 45 degrees and you can only do
that cut if you have a very sharp exacto blade it's important to have a sharp
exacto blade you will need to practice a little bit to get those cuts to be a
nice 45 degrees every time you're gonna use some painters tape and I put it on
my shirt to make it not so sticky and we're gonna preassemble all of the
pieces this is gonna allow that tape to come off really easy afterwards and it's
gonna allow the pieces to be assembled together correctly every time in this
case I'm using some hot glue to glue all four sides together I don't like to a
hot glue I think not glues for hacks hot glue is fast and easy but it's not
pretty and you'll pull strings and it doesn't look good and it causes excess
thickness of the part you know glue will ooze out and you'll have to come back
and trim it up so you say Eric how can I take my game to the next level and
really impress my clients well glad you asked let me show you
we're gonna repeat the procedure from the last cube slab up six slabs of foam
core 45 them all put them all together with your tape pre assemble them I'm
using a ruler to make sure everything is nice and straight and I'm gonna use some
just white construction adhesive just a little bit on each edge when you use
white glue like this you're gonna dramatically increase your craftsmanship
of your part and that's important when you're a designer creating quality parts
to showcase to your clients the white glue takes a long time to dry you see
that I used supports to make sure everything is square and straight you'll
also notice here I'm testing out with the pieces to make them fit just perfect
I mark where they go when I add my white glue I'm adding it on the very inside of
the 45 so as to minimize any glue that would possibly lose out and you say hey
couldn't I make everything all out of one piece you could but you'll get soft
corners on those edges that you fold over here I've made a black one and you
can kind of see how the corners are soft so this is what your cube should look
like in the end they should be quality the next video is going to be foam core
at advanced basics we're gonna take a looking at making some cylinders softer
edges chamfers and some bevels
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rock on click here to watch some of the other design and making videos that I
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