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In this video I'm going to show you how to fold
a Box and Lid designed by Dave Brill.
It's a fantastic design folded from a single sheet of paper.
It also has a nice duo effect
if you use paper that has a different color on one side.
This model was folded from a 15cm square
and the resulting side length of this box, this cube, is 3cm.
In inches, that's about 6in to get a side length of about 1.2in.
I advise you start with larger paper for your first try.
In this video I'm going to be using
a square with a side length of 25cm
- that's about 10in -
and the resulting side length
of the box will then be 5cm
- or about 2in.
So, the rule of thumb is:
the resulting box length is 1/5
of the side length of the square you start with.
So, let's start folding.
We're going to start with the color-side up
to get a box that has color on the outside.
You can vary that, of course.
Now there's techniques to fold 1/5
on a square, but I want to have a result
where there are no creases that aren't necessary.
So, what we're going to do is take a plain ruler
and measure 1/5 on the paper
and then add a crease like that.
I'd usually use a bone folder to just
mark this rather than actually draw a line on,
but that wouldn't be very visible on the video.
Once you have those you can then pinch them.
Once here, once there.
But before we do that, I forgot,
let's first make a crease in the center.
Unfold.
Then add that crease at 1/5.
Flip this over and then use the two markings we made
to add a crease at 1/5.
Unfold and now we only have to fold quarters
on those 4/5.
Bring the edge to the 1/5 crease.
Crease and unfold.
Then crease to 2/5, which you just created.
Unfold and then add the final 1/5.
And unfold.
Now rotate.
We want to add fifths on the other length, too.
Again, mark.
Then pinch.
And crease.
Then flip over and again fold quarters
on the remaining 4/5.
I'm actually making the creases
in specific directions.
It doesn't matter that much, but it does
make it a tiny bit easier later.
So if you follow along
with how I actually add the creases
they will have the directions of mountain and valley.
But if you don't, I'd probably advise you to
make the creases in both directions, so valley and mountain
so that they're nice and strong
and they at least have no direction.
Then unfold completely.
We want to add a couple more creases now.
First fold back 1/5.
Then align that edge with the next 1/5.
And crease. Same thing on the other side.
Then open up and fold to that 1/5 creating 1/10.
Same on the other side.
And unfold again completely.
Now we've created this crease pattern.
You can see we've got a couple of mountain folds
and the rest is valleys.
Now turn the paper so that
the central crease here lies horizontally.
Then this is the top, and this is the bottom.
We're now going to add creases to the top.
Diagonal creases, some here, here, and here.
Fold the diagonal of a square with a side length of 1/5.
And also diagonals right here.
And crease the other diagonal.
Unfold and then fold the other two diagonals here.
Now we added diagonals to those three squares.
These creases need to be a bit stronger.
So fold them as mountain folds, too.
In the bottom we'll also crease the diagonals of the central square.
Now we'll add some diagonals right along here.
For this aling the lower point
with the point at 1/5 by 1/5.
Crease starting from the center
one square up.
Unfold, repeat on the other side.
Align, starting from the center
crease one square diagonal up.
Then rotate and repeat.
Unfold and rotate back
so that the top is in the top.
Next we're going to make a precreasing here.
So we'll add half a diagonal
or a diagonal on these
small squares, which have 1/10 by 1/10 side length.
For this bring that edge to 2/5
and then crease just along that small area.
It's not the first 1/10 square, but the second one.
Unfold, repeat on the other side.
I'm doing a lot of precreasing here,
because I think it's great to use this for a present.
Then you really want it to look very nice.
Rotate again.
You can see we added this crease.
And now we want to add that other diagonal.
So, again take the edge, bring it to 2/5,
and this time crease
that small square by the edge.
Unfold, repeat on the other side.
And unfold again.
Let's add one final set of creases.
Using the creases we just created as a reference,
we're going to add 1/20 right here.
Flip over the paper to make a mountain fold.
You can see, here's the crease, this length is 2/5.
Here there's 3/5.
This is the top, this is the bottom.
Now crease 1/20 only up to
those creases we added last.
You can see I stopped creasing right here.
Do the same on the other side.
Now - I know it's hard to believe -
we've got the crease pattern done.
I'm going to add one last crease
in the end, but let's not worry about that now.
So first let's locate the top and the bottom.
You can see the top has three of those
squares with diagonal creases.
And the bottom only one.
Then fold in 1/10.
The're already mountain folds, or make them into mountains now.
Then fold up, so this is perpendicular
on each side. In the middle 1/5 will remain.
There are diagonal creases here.
We're going to make them pop up
in a mountain fold.
Like that, can you see this?
Maybe make a valley fold there, too,
so that you can see this happening.
On the second one, right here,
you're going to fold down
to collapse like this.
I hope that was visible.
So you get the start of a box.
Now I did forget to add one final precreasing that I usually do,
so let's add that now.
You can see 1/10, and then there's 1/5.
On that square we're going to add a diagonal crease.
Let's do that now.
Just like that.
Same on the other side.
Adding that diagonal.
With this being collapsed
you can insert one of those 1/10
into the other one. Slip it inside.
It will help a lot
to reinforce that these four layers of paper
are all in line with the creases we prepared.
These are going to be valleys.
As you can see I'm just pressing on them through all layers
to get them reinforced.
Then you get a shape like this.
Now we'll take this point
and push it back so that
the triangle will lie like this.
This is going to be a mountain fold.
And we're going to push this
inside to the back.
So if you look inside
you can't really see much
because the triangle actually lies
right along this layer right there.
Let's have that in place.
Then we'll push this layer
so that it lies right on that one.
I usually support the paper a bit by putting my finger in there
and then pushing down.
Push down, it may start looking messy here,
but don't worry. Just keep on pushing
pushing, pushing, pushing
and it will straighten out beautifully.
There you go.
Reinforce these creases a bit.
Now you can see the lid is almost complete.
You've got some creases here.
This is going to be a mountain fold,
and those are going to be valleys.
This completes the lid.
Same on the other side.
There's a mountain, and a valley.
And it goes like that.
Some directions of the precreases aren't that important,
because there's two layers, and half of it
will be the wrong direction in any case.
Once you've prepared that
you can have a look at what it's going to look like.
So this would be the lid.
But we're going to clean this up now.
These small triangles
right here are going to go underneath
that layer, so that it's nicely hidden and
the paper has more space to actually lie nice and flat.
The triangles are hidden now.
You can see that there's a crease right here.
That's the central crease we added (in the first step).
Let's fold back along that.
It gives the model a bit light again (for the camera).
Sometimes these layers aren't quite aligned.
So I like pulling then apart a bit to get them aligned.
It will give a nice finish in the end.
Now we need to complete this box here.
We first have to get these layers back up.
to form this rim.
It ensures that the box closes nicely.
So we'll take just one layer of paper by going in here
and pulling it up.
We've added some diagonal creases right here,
we'll go along those.
That's number one, and again take one layer
pull it out, and straighten it out.
Reinforce that crease.
You have creases right here, they should be mountains.
We're going to fold those to the outside.
Ensure that these two layers here
stay together to get a nice finish.
Then pinch that corner.
Same on the other side.
And pinch that corner.
In the beginning I promised we'd be adding one final crease,
which I think Dave Brill doesn't suggest.
But I'm going to do that anyway.
So on the right side, we'll take two layers
and fold them down to the edge.
This is going to make the final locking mechanism
a bit easier to do, I think.
And easier is better, right?
So, let's keep that.
Now, as in the beginning, we're first going to make
one mountain fold like that.
We're pushing this up in a mountain fold
and pushing this to the back.
And fold the other one down.
You can see a triangle emerging here.
We just folded that small corner. this one.
I'm going to pop that up and
put it behind that triangle.
I'll try to make this more visible.
Can you see that here?
The white triangle is underneath that small corner we folded.
Now the box is basically done, but
this is still not fixed enough.
So what we're going to do is take
this one layer and pull it up by pulling in the top.
And then take that triangle that we just folded.
You can see here you've got the triangle,
you've got that small corner we folded over,
and here there's some space.
So we're going to take this layer
and insert it there.
So pull this, and then just put it over there.
That folded in corner makes it a lot easier
to actually insert that layer.
Now the box is a bit more fixed,
but again, here's a tiny corner.
And for that we're just going to
put this layer underneath that layer.
Underneath here.
This can be a tiny bit fiddly,
but it's the final step.
So that shouldn't be too bad.
And then your box and lid
from a single square of paper
designed by Dave Brill
is all done.
I usually close the box halfway
and then reinforce those folds right there.
to make it really nice.
Sometimes when I close the box I have a dent here.
Then take for example the back of a spoon,
go inside, and pop it out.
And then it looks nicer. On the other side it was fine.
And there you go.
I hope you enjoyed this video.
and this fantastic box and lid by Dave Brill.
Happy folding.