Build a Cardboard Box

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Introduction: Build a Cardboard Box

Making a custom box can be used for a few good reasons that I have found, as well as- I'm sure it could be used for various other and different reasons. Maybe it is a holiday season and you are wrapping a gift that needs a box for shape or structure; or would benefit from a layer of protecting cardboard; or need to fit an item of an odd shape/size into a box for storing/mailing.

I make boxes for the items that I sell on eBay. Making an item's own box minimizes the size, the weight, the need for more packaging material, and thus making the postage/shipping fees less.

All you need is second hand cardboard, a box cutter (razor blade), and packing tape (in a dispenser works best).

Step 1: Break Down

Break the box down starting with opening the tabs on top and bottom of the box. Just unfold the tabs, or cut through the tape with the box cutter and then unfold the tabs. Lay the box down on its side and cut one of the corners from top to bottom so that you can unfold the cardboard once more to end up with a long, straight piece of cardboard.

Step 2: Mark the Corners

Now there is one long piece of cardboard laid on the floor. Place the item(in this case- a framed picture) on the cardboard where half the width of the item is equal to the space between the item and the edge of the cardboard. (So if you were to fold the cardboard up on the item, it would only be halfway across that side.) From top to bottom, cut very lightly with the box cutter to draw a cut line into the cardboard at the place the item's edge meets the cardboard.

Do not cut away the cardboard to remove it at this line! Just make a mark with the blade that cuts the top surface of the cardboard! (Later we will see that this makes the cardboard fold perfectly.) Make another parallel cut line on the other side of the item. Then roll the item on its side so one side is still on the previous cut line, and make another parallel cut line while the item is at 90degrees in the air. Lay the item down to finish its 180degree roll, keep one side on the previous cut line, and make another parallel cut line on the edge that just touched down on the cardboard.

Now leave half the width of the item as space on the cardboard(like we did in the first cut line) and cut this remaining excess cardboard off completely, from top to bottom using the box cutter.

Step 3: Cut to Size

Now, push the item towards the top or bottom of the cardboard so you can cut it down to size. Do not push the item to the exact edge! You will need to leave half the width of the item's side as extra cardboard that will be able to fold up onto the sides of the item.

And leaving half the width of the item as extra cardboard on the opposite side, cut the rest of the excess cardboard off completely, from side to side.

Step 4: Flip & Fold

Now, take the item off the cardboard and flip the cardboard over onto its other side. Fold along the cut lines and see how easily and perfectly it bends and forms the four corners of the box!

Place the item inside the box and fold shut. I wait to tape after I fix the sides, but for your first box it can be easier to tape the box now, where the edges meet from top to bottom.

Step 5: Fix the Sides

Now, look at one of the two open sides and you will see your item's side and some excess cardboard hangover. This is what will be used to fold over to form the side of the box.

You should cut the exposed corners to make four individual tabs. Cut from the inside-out with the box cutter, starting at the item and cutting away from it. After you cut all four side corners like this, make four cut lines on the outside edge where the cardboard folds across the item. Repeat this process for the other side of the box.

Then you will be ready to tape the box. You can tape it all at once, or in pieces. It depends on how much tape you think your box needs- but a nice, fitting box that has been well cut just needs a line of tape around the sides where the edges meet.

Step 6: Ta Da!

You have made a box!

If you have a fragile item, bubble wrap then a custom cardboard box works. You can also branch out and build boxes to fit other things, like making your own triangular box to fit posters, or an oblong or different shaped box to fit anything.

But that isn't all. You have saved money by using minimal tape, no packing peanuts or foam, and a cheaper postage/shipping rate if you are going to ship because of shipping in the smallest/lightest possible package. And to mention on top of that, you are recycling boxes by giving them a second life!

1 Person Made This Project!

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48 Comments

0
sbgroupnepal03
sbgroupnepal03

7 months ago

Ok, thank you first of all. it was really informational for me.

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Memoriesbysylvan
Memoriesbysylvan

7 months ago

I struggle a bit which i thought it was easier before. Anyway, loved your info.

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SimonŠ35
SimonŠ35

2 years ago

Nice tutoraial, thank you very much but I found out this awesome idea: https://justfoldme.com. They developed also app to help me create shipping box.

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Iflyer
Iflyer

4 years ago

http://www.templatemaker.nl

This link might help you in many ways . Have fun :-)

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AsherM5
AsherM5

4 years ago

This will definitely help in Shipping aquarium snails, because at $.50 a snail, buying boxes is not an option.

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NerdyGirl79
NerdyGirl79

5 years ago

Can't believe how hard it is to find a small box for shipping glass mugs. This tutorial has given me a whole new way of shipping my stuff without breaking my neck and my wallet trying to look for a box that would fit! Thanks

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OneBirdieMa
OneBirdieMa

5 years ago

Great, thanks! I go crazy trying to find boxes to fit all the odd things I need to pack up -- ever try an old fashioned ceramic tea pot with lid? -- and have batched some myself but never put it together (the procedure, that is) in as orderly a fashion as this.

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MarcioWilges
MarcioWilges

6 years ago on Introduction

Wouldn't it be quicker if you just got boxes from the house removals company? I don't think their boxes cost THAT much!

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OneBirdieMa
OneBirdieMa

Reply 5 years ago

if they had boxes in the odd sizes that are sometimes needed . . . .

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amscray1965
amscray1965

5 years ago

this is the awesomest! I love this kind've sh##! I'd also recommend using a T Square ruler (for people like me, who can't make a straight line to save her life!) Thank you so much!

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aggrav8d
aggrav8d

7 years ago on Introduction

If step 1 explained the difference between a cut (through) and a score (not through) then all the directions after that could be clearer. Thanks for the great instructable!

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aggrav8d
aggrav8d

7 years ago on Introduction

I made it, but I don't have a photo. Works well and saves a lot of material. Thanks!

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MarcioWilges
MarcioWilges

7 years ago on Introduction

I think cutting up the edges of the cardboard boxes is not really a good idea because you will then need to tape them back up in order to store your things in and you know that duct tapes are not that entirely secure. I think you could make the edges soft by rubbing them with a hard solid object then bending them according to your requirements. This way, there are no loose ends that need to be taped back up and you can proceed with your moving out with ease and no worries of broken boxes.

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MadGuitarist
MadGuitarist

9 years ago on Step 6

hey can you show me how to make a hallow box to use it as a speaker enclosure?

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hollasch
hollasch

14 years ago on Introduction

Another approach to cardboard folds is to use a screen "spline roller" tool (available at any hardware store) to create a crushed line which is then easily folded. This is a tool that has narrow steel rollers at each end. This leaves the paper uncut and that much stronger.

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sbordeaux1
sbordeaux1

Reply 10 years ago on Introduction

Thank you for this tip. I've always had trouble making good straight folds and this will certainly help with that.

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aquadave
aquadave

Reply 14 years ago on Introduction

Ah cool, this would be even better, thanks for the info.

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archerj
archerj

11 years ago on Introduction

Re: shareware for boxmaking google "free software for making boxes" there are lots of them.