How to Cut Glass – Quick, Easy, & Safe

hey Kevin here mr. DIY dork from DIY
dork calm today i’ma show you really
simple and safe way to cut class so
check it out it’s really cool
[Music]
all right so this method of cutting
glass is really simple there’s not a lot
to it it’s not necessarily for cutting
like crazy shapes or super precise
little tiny cuts it’s just for big broad
chopping a bigger piece down into
something smaller maybe you have a old
door that has a custom sized piece of
glass and you found a bigger one
hardware store need to cut it down this
will work or maybe you’re you know you
just need a small piece for a craft
project or maybe a picture frame broke
the you know the glass broke and you
found another piece of glass but it’s a
little too big and you need to trim it
down this will work perfect for that so
for this video I found this old picture
frame out here for $0.50 at the thrift
store and they’re all only reasons I’m
really using it is just because it was a
really cheap piece of glass I could use
for the sample video and another cool
little tip is you know if your picture
frame glass broke instead of going to
storm buying a whole new frame or even
going to hardware store and buying a
piece of glass look at thrift stores
because they have tons of frames I got
this one for $0.50 as everything in it’s
a really good piece of glass all right
what you need to cut it down is one of
these little glass cutting tools they’re
about 2 bucks at the hardware store has
a little metal wheel on top has a
beveled edge a couple little gripper
teeth here if you need to snap little
pieces off and it has a ball on the end
you can use to knock the glass I’ll show
you that later also you need some kind
of a straightedge I have a little metal
ruler here it’s a little thin I prefer
something a little thicker but it will
work fine if you had a really straight
piece of wood that would work as well
another thing is one of my little tricks
up my sleeve is a dowel rod I’ll show
you how to use that later you can even
use some tape and a marker if you need a
little help I’ll show you that to you
too also when you’re cutting down plate
glass so this is type of glass if it
breaks it looks like knife shards it
will be sharp if it breaks or if you
drop it so I’d recommend some safety
gear so maybe a set of leather gloves
and then maybe even some safety glasses
and check out the picture here this 80s
Navy do check out his glasses remember
when those were cool alright so how
about I take this piece of glass out and
I’ll show you how to cut it down really
easy all right so I took my piece of
glass I cleaned it up so it looks a
little better and
right now it is a classic 8 by 10 piece
of class so let’s say that I had an old
5 by 7 picture frame and the glass broke
and I had an old late by 10 I’m not
using I wanted to cut it down to a 5 by
7 so I’m going to do real quick as I
measure out the 5 by 7 I’ll use one of
these markers to mark the lines to cut
so I know exactly where to cut and then
good thing about these is that will wipe
off clean later so let me do that real
quick and then I’ll show you how to cut
it and snap it alright so I have my good
5 by 7 section marked off these two
parts here with the X we’re going to cut
off we have to do it into two different
cuts so what you probably will do just
automatically is you’re going to take
your straight edge and line it up to the
line but that’s not actually how you
want to use it for one of these little
cutters and the reason is because that
little tiny metal wheel in there is
offset to the middle by about an eighth
of an inch so you actually want to take
your straight edge and bring it inside
the line about an eighth of an inch
before you make your cut now the other
thing is that you’re going to be using
enough pressure that this thing could go
off course and the glass is pretty
slippery so there’s a good chance that
your straightedge may slip on you so if
you’re not comfortable with that and you
only have like one shot a little trick
and it may be a little overkill but it
is helpful you can use a little tape
just rolled up put it on the bottom of
your straightedge and that will keep it
from moving around so I put my tape on
there and then I will set it up against
the line about an eighth of an inch
inside and then what you want to do is
take your cutter and get a really good
grip on it and you want to put about a
medium amount of pressure not too much
not too little and when you pull it it
should sound like eggs or bacon sizzling
in a pan and that’s when you know you
get the right amount of pressure so you
also want to make sure it is dead flush
against the straightedge and you don’t
want it to go off course because you
will have a you know if it goes off this
way they crack or the break will be
offset and it would be hard to fix if
you go inside your line then you ruin in
the piece you want to save so let me do
it real quick and I’d be super careful
and listen this is what it should sound
like
all right just that one little drag
there should be enough and now to break
it what a lot of people will do is
they’ll just take it in their hands and
the staff it or they’ll put on the edge
of a table and try to break it off
whatever but what I like to do is use a
dowel rod and what I do is I Center that
score mark I just made right on the
center of the dowel rod okay that way it
gives it a little support when we break
it another thing if you want if you
don’t feel safe or comfortable with the
glass you can wear your leather gloves
if you want for the video I guess I
won’t just to show you I guess if I
bleed all over the place then it’s my
fault so anyway what I like to do is
hold the glass firmly in one place and
then with the other you press down on it
and make sure that that score mark like
I said is centered right on the dowel
rod and should snap real clean check
that out perfect cut so let me cut this
one and I’ll show you one more trick you
can do with this little cutter all right
so check it out now we have a really
good 5 by 7 piece that has really clean
edges perfect ready to go the other
thing I wanted to show you is if you’re
cutting small little pieces like let’s
say I needed this little tiny square for
something after I score it it actually
becomes a little harder to to break off
with just your hands so what you can do
is when you line it up instead of use
your hands to press down you can even
tap it with a little ball on here and
check this out it works too and you get
another clean cut there now and maybe it
kind of freaks you out and with the
metal but it usually works out really
well run huge pieces like a big window
whatever your hands work totally fine
that’s all there is to cutting it really
clean cut doesn’t take much at all
really simple

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