Instructables
Looking around Instructables, I've seen several inexpensive laptop cases/sleeves. These two instructables, Duct Tape Laptop Sleeve and Cardboard/Duct Tape Laptop Case inspired me to make my own.

Features:
Space for Eee PC (or Laptop of your choice)
Space for AC Adapter
Snazzy Duct Tape Finish
 
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Step 1: Scrounge up some Material

This snazzy case uses the following materials:

Cardboard Enough to surround your laptop...and then some. Any box big enough should do.
Duct Tape The Force that holds the universe together...in any color(s) of your choice.
Foam Packing Sheet This will be used for the padding...bubblewrap might also work if done carefully.

And you'll probably want these tools too:

Razor/Box Cutter For cutting the cardboard...not your fingers.
Yard Stick Very useful for measuring things, though you could make due with a 12" scale.
Marking Implement Pen, Pencil, Marker, Quill, Charcoal Stick, etc.
Note: Scissors could probably be used in place of the Box Cutter

Oh, and a Laptop of some sort to put in when your finished...

(Sorry for the fuzzy pictures...I didn't find the 'Steadyshot' feature on the camera till later)

Step 2: Measure once, cut twice...

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Now to get to the measuring bits...
My Eee PC fit rather nicely in one of the edges of the box, so that helped give me a reference for basing all my other measurements.

Basically, you want to measure out the space for your laptop and power cords (and whatever else you may want in there). And then mark out the space. The width and length of your laptop will determine the size of the 'main' area. The height of your laptop will determine the length of the tabs on the sides of the cardboard piece. For the shorter end of the Cross-Shaped base, the length will be that of your 'main' area (width/depth of laptop) added to the height of the laptop. The longer flap will get cut shorter later.

It is easiest to cut out the overall rectangular shape first, and then cut out the corners if you're not using all of the cardboard.

Make sure to score along all cuts first if using a Razor/Box Cutter...this will make cutting the cardboard much easier.

When you have finished cutting everything out, it should look something like the final image. If you are making the compartment for the AC adapter, and whatever else, make sure to keep the cut out pieces. The will be used as separators for the compartments.

Step 3: Making the flaps foldable

Now that you have the main piece cut out, it is time to make all the flaps easily foldable. I suppose you could bypass this step, but it would make things much harder to assemble later.

You will want to redraw all the lines that you have on the 'Inside' of the case onto the 'Outside of the case. You'll also want to measure out the height of the laptop and mark a line for it on either side of the 'main' area. These lines will also be scored. (In the case of the line on the larger flap, another line should be scored about 1/4" or so outside of it.)

Also, now would be a great time to cut the longer flap down to size and shape. It will be the "latching" flap on the case, so size and shape as you see fit.

Step 4: Using The Force...well, Duct Tape...

A wise little green man/alien/dude once said "It flows around us, binds us it does" well, I personally feel that he was referring to Duct Tape and the fact that Luke could have just patched the dang hole on his X-Wing with the stuff...why else would it have sunk?

At any rate, what you will want to do now, is gather up the padding material that you're going to use and lay it out. Make sure it covers the areas on your case that you want it too, and cut it to size/shape. I had strips of the stuff, so I had to kinda layer it in a way (refer to below pics). Also, make sure not to tape the hinges on the flaps in the flat position, scissors and slits in tape can be your greatest allies here. Cover everything in Duct Tape.

Also, make sure that you only tape the inside at this point, and make sure that all pieces are smooth...your laptop will be going in here.

Also note, overlapping the strips of duct tape a little bit will greatly help in this process.

Step 5: Add the Partitions

Now to add all the separators, or in this case, just one. Remember those pieces from earlier I said to keep? These are what we'll use...otherwise cut some more.

Coat the tab(s) in duct tape, and then set your laptop/items on the case and lay down your separators accordingly. Once they're set where you want them, remove the items and lay down a strip of duct tape. Fold the separator up, and lay down a strip of duct tape on the other side. It would also probably be a good idea to cut slits in the corners of the duct tape for easier application.

Once it is mounted to the base, fold up the bottom of the case and attach the duct tape that is attached to the tab to the bottom of the case. This will prevent the separator from moving around in the case...this is also probably the most tedious step in this entire instructable in my opinion.

After it's attached, fold up the sides and tape them all together. You now have a rudimentary laptop case. I suppose you could stop here, but then you wouldn't have the Snazzy Duct Tape Finish.

Step 6: Duct Tape Taxidermy

Now to cover all of the outside of the thing in duct tape to achieve the Snazzy Duct Tape Finish.

Basically, this part is up to you. You can put the duct tape on in horizontal, vertical, circular, random, etc. strips to cover the case. I personally used horizontal strips to cover the case evenly and to provide a base for the detailing.

Tip: Cut slits in the duct tape wherever there is a folding piece or corner, this will make for a nicer looking finish if you're into that sort of thing.

Note: Make sure when going over the folding flap with the tape that you put the tape on with the flap folded past the farthest it will be folded over when closed. This is done to allow the greatest degree of freedom for the flap to move around in.

Step 7: Detailing and Finishing

This step is somewhat optional, though, in the interest of Geeky Style, it is a requirement. This where you take more duct tape, preferably in different colors, and go to town! I kept mine rather simplistic, but that's just the kinda guy I am.

The final step is to get something to cause the flap to latch, Velcro, Snaps, Buttons, String, Elastic Bands, anything but magnets ought to work.

And now, your case is finished. If all materials are present, this shouldn't be more than an evening's worth of work. Load up, and get ready to show off your geeky ingenuity!

Note: This was my first Instructable, and I hope you found it useful.
Pretty easily. I would just make a duct tape strap by taking two strips of duct tape, one being about an inch smaller than the other one, and put them together sticky sides facing each other. Be sure to leave a half-inch space on either side though. I'll try to make one and post an instructable on it.Good idea.
randomguy964 years ago
How easily do you think I would be able to convert this into a messenger bag?
This is pretty cool. Is that the same netbook as this? http://www.bestbuy.com/site/olspage.jsp?skuId=9382946&st=eee+pc&lp=2&type=product&cp=1&id=1218095770391 Do you think that it is worth buying?
XGundam05 (author)  LuminousObject5 years ago
It's not quite the same Eee Pc. Mine has a 4 GB solid state hard drive and a dual core 1.6 GHz Atom processor I believe. (Not a %100 sure on the Atom part, but it is dual core). It also shipped with a horrible Linux distro. I removed that the first day and threw Ubuntu with Fluxbox on it. Works wonderfully, has great battery life, and plays Diablo II, so I'm happy with it. Can't say whether I can or cannot recommend the one you're looking at though.
Okay, thanks.
wow...making this beats those sleeves at shop which could only cary the laptop! now i can bring my ac adaptor too...wow amazing... and best of all......... ITS CUSTOM MADE BABYYYYYYYY!!!!!!!!!!!!!!!!!!!!!!!! THANKS MAN!
that is sweet...NES styles
santy225 years ago
looks like a NES. Sweet!
Very nice!
I like the way you took the idea of the cushioned duct tape case in the instructable I made and added the sturdiness of cardboard AND the slot for cords, etc. Great idea.