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Build your own Aperture Science Portal Gun

Build your own Aperture Science Portal Gun
Five months ago, two college students got it into their heads to begin building a costume prop. Not just any costume prop, mind you – a costume prop to rule all other costume props and, in fact, the WORLD! Not really, but we did want to participate in the GenCon Indy 2011 costume contest and didn’t have any ideas for what to do!

Portal came to mind. Valve is a long-time favorite when it comes to awesome games for us, and so it then became a question of which Valve game to work from. Zoey from Left 4 Dead? Gordon Freeman of the fabled Half Life series? Or perhaps… could it be? Yes! Chell was our woman, and our own epic tale in the quest of a Chell costume began.

Of course, the first thing that any Chell costume needs is an Aperture Science Handheld Portal Device (or ASHPD), and in looking around on the internet, we couldn’t find that many tutorials (or even people who had actually done it in the first place). What we did find was severely lacking in either finesse, materials, or dedication. As we soon found out, if you weren’t willing to sink about $350 and four months of your waking life into the project, the end result wouldn’t be worth the sacrifice. Then we found the exception.

This instructable is going to start a little differently than most – with a word of thanks. Without his work and documentation (little though there is), none of this would have happened and we would have given up from not even knowing where to start. Harrison Krix of Volpin Props created the first real ASHPD, and his work also served as the basis for ours. His lack of real numerical documentation actually made the process much more fun and interesting as it forced us to rebuild his methods through guesswork and a little luck. It allowed us to create our own path, loosely based on his, that arrived at approximately the same place.

(We also didn’t have as much money to throw into it.)

We studied his pictures and made sketches as though studying for an upcoming test and slowly began our own journey into the world of Portal.

(Though first of all, we need a quick introduction! I, Joe, [the one writing at the moment] was responsible for the electronics, and my partner, Shelley, was responsible for the carving and for things requiring a steady hand, which I generally lack. For the rest of the gun, though, our efforts and skills were combined in such a way that we could probably refer to our creation as our nerd-child. And what a lovely nerd-child it is…!)

(Thanks to everyone who voted for us in the LED contest!! We managed to walk away with a Kindle, and for that we are incredibly pleased. Thank you again for showing your love!)

 
 
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Step 1Ingredients!

Ingredients!
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We bought and used a lot of things to make this project, and it was worth it all. Here's a more or less complete list:

Core:
4” diameter PVC pipe
3” diameter PVC pipe
2 4” PVC couplers
Lots o’ Cardstock (We managed to use about a 30”x24” sheet over the course of the gun)
About a gallon of Bondo + extra hardener (We blew through two quart containers and then gave up and bought a gallon. It’s still holding us)
Florists Foam (The largest we could find was about 3’x1’x4”, and it worked pretty well once we cut it in half and glued the halves together)
Superglue
Drywall Spackling
Gesso (a very bright white canvas primer)
Craploads of sandpaper, from grits 80-600. Trust us, you’ll need them.
Spraypaint: flat black, pure white, and clear coat gloss.
Plexiglass – amount unknown; we didn’t keep track because we had a near unlimited source.
Electrical Tape
1” glass lens
¼” black tubing
9 screws and nuts
20 gauge beading wire
dowel rod
Clear toilet plunger handle (preferably an adult sized one if you can find it – we used a child sized one ‘cause that’s all we could find, but there’s no room for error)
2 ½” diameter clear plastic tube
Packing foam
Painter’s tape
Plastic wrap


Electronics (Optional):
11 blue LEDs
11 orange LEDs
3 red LEDs
4.5v power supply (3 AA’s)
25 68 ohm ¼w resistors
about 6 feet of CAT5 cable
2 switches
some method of prototyping

Required:
Optimism
Patience
Steady hands
A willingness to get your hands dirty
Working knowledge of various power tools
A large work space (in our case, a living room, kitchen, and front yard gave their lives for this project)
 
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236 comments
1-40 of 236next »
May 27, 2012. 1:53 PMescabatum_rip3 says:
I'm in the process of making a portal gun as well, a bit more low-budget, but similar build idea - I am trying to find a dremel that would work and I have no clue what specifications I should be looking for in terms of bore, rpm, etc - any suggestions? Amazing portal gun btw and thanks a bunch for the instructibles guide. (I read through the comments thread and did not see this specifically addressed anywhere, so sorry if it's already been asked)
May 25, 2012. 1:56 PMrbirri says:
The piece holding the lens for the LED that slips into the top hole, what is that made up of, or is it a single piece you bought somewhere?
May 24, 2012. 8:34 AMrbirri says:
I know absolutely nothing about wiring, so please excuse me if this is a stupid question. Once you have the wiring laid out and you are attaching the LED's and the resistors, do you just wrap the wire around the ends and bend them in? Or cut off the excess? I guess my real question is how do you solidify the contact between the two and what do you do with the excess?
May 15, 2012. 6:59 AMkragonk says:
that's so awesome
May 2, 2012. 7:42 AMDrewJM says:
the five 1/2 inch rings what are those? is it from another 4" pvc or what?
May 1, 2012. 9:27 AMDrewJM says:
What did you use to cut the PVC pipe Please help.
Apr 30, 2012. 5:10 PMOshawottZ says:
Where do you put all the wires? Under the front core?
Apr 16, 2012. 8:13 PMAtlas Portal 2 says:
THIS IS SO AWESOME AND SO ARE YOU GUYS I LOVE THIS IM A HUGE PORTAL FAN (you should see my wall) AND IM GOING TO GO MAKE THIS RIGHT NOW!!1
Apr 15, 2012. 5:47 PMEthan B says:
"Do not look into the operational end of the device."

What the heck man! Are you trying to kill us??!
Mar 31, 2012. 4:08 PMOshawottZ says:
How do you add the red lights at the claws... (and if it's in the directions srry, i kinda skimmed...) please help.
Apr 9, 2012. 2:51 PMjedirampage says:
for the LED that is mounted at the top all you have to do is drill a small hole at the top and run the CAT5 cable through to wire it. Same thing for the bottom LED's but you will have to cut a hole through your shell as well.
Apr 7, 2012. 8:15 AMamazingly awesome instructions says:
It would be really cool to add a built in smoke ring generator because the rings would light up and it would sorta look like the portals travelling through the air
Mar 31, 2012. 6:16 PMermjr98 says:
Could you possibly list the dimensions? I am just wondering the length of the shells from front to back, it would be really helpful in drawing my blueprint. Thanks!!
Mar 30, 2012. 9:48 AMDrewJM says:
How did you make the cap things that the plunger slides into?
Mar 25, 2012. 6:06 PMDrewJM says:
where di you get the "horse pieces" If you made them how?
Mar 24, 2012. 6:22 PMDrewJM says:
How did you make the barrel? and how did you carve the shell?
Mar 23, 2012. 11:39 AMdraik41895 says:
What exactly did you guys use to make the "moon shaped bracers", and while im here, did you cut the tips of the claws out of acrylic as well?
Jul 15, 2011. 3:39 PMbluelettuce says:
What are the claw pieces made from?
Mar 17, 2012. 12:20 PMjedirampage says:
Where did you guys buy the acrylic sheets from?
Feb 29, 2012. 3:57 PMAnnikaSkywalker says:
The one I started making is from Backyard FX and it has a video. Maybe you could do something with the combined knowledge. http://www.indymogul.com/backyardfx/episode/bfx_20110606/cheap-portal-gun-diy
Feb 22, 2012. 12:55 PMryo786 says:
Hey, how much did It cost you to make this?
Feb 14, 2012. 5:49 PMHelenkeller12 says:
For some reason I cant open either of the templates listed for the gun. Please help.
Feb 14, 2012. 4:17 PMjschrold says:
Hey, Ill pay you for the front white piece and the back white piece, how much would you want?
Feb 5, 2012. 11:29 PMsofiadragon1979 says:
You really should show a video of how it looks when it's all lit up.
Nov 17, 2011. 10:46 AMaak3 says:
Hello there! I will be willing to pay for 50$ or more! Max 100$ im a 12 year old KID

-Aak3
Jan 31, 2012. 11:17 AMThe Chunky Sniper! says:
That comment made me chuckle.
Jan 7, 2012. 8:14 PMFredashay says:
Ya' know. I just finished Portal 2, and I just might try building one of these things. But being a guy, I can't cosplay with it. But I'd love to own one anyway.

But ya' know what else I'd love to have? A full size, fully animatronic, replica of GLaDOS hanging from my ceiling. Give her motion sensors to sense when someone is in the room, a microphone and speaker, and an AI like Cleverbot.com but that sounds like GLaDOS. That would be awesome! (just don't give her any neurotoxin)
Oct 27, 2011. 9:45 AMGoKupsGo says:
Couple of questions, and sorry if they've already been asked. There are a lot of comments.

1) How did you end up attaching the barrel and cores? Was it very fragile or was everything sturdy?

2) How did you hide the wiring for the LEDs in the barrel of the gun?
Nov 17, 2011. 4:17 PMgoldenplatypus says:
I an in love with portal/portal 2 and would pay almost anything for (within reason) one. I am constantly looking for a portal gun and turret to display and show off. (being twelve I will HAVE to play with it a little, but it'll be fine) again I am very willing to buy a portal gun that actually looks realistic and works. Please email me if you are willing to sell. I am constantly up until midnight doing schoolwork and have no time to build. 9998722@gmail.com is my email please be reasonable if you are willing to sell but if not a polite "no" will be accepted, but please reply
Nov 16, 2011. 7:57 PMlzhang5 says:
what exactly did you use for the "grate and a sunburst-like black piece"?
I can't seem to find it x_____x
Oct 31, 2011. 4:42 PMsuperalex11 says:
DDDAAAAAAGGGHHHHH!!!!! I LOOKED INTO THE OPERATIONAL END OF THE DEVICE!!! I'M BLIND!!!!!
Jul 14, 2011. 8:43 AMGLaDOS V_3.11 says:
(so much comments!) this is a really cool portal gun. one more thing... what about the aperture science logo on the left side of the gun?
Oct 26, 2011. 9:36 AMGLaDOS V_3.11 says:
cool. i have been trying to make a portal gun like this, but using foam is so much work. did you use a dremel to carve out the foam? im considering that or a bicycle helmet for the large shell.
Oct 22, 2011. 7:17 AMprime89 says:
 I don't know if any of the other comments suggested this, but you could make another thing like the red lights under the arms ,or whatever those are called on the end of the gun, could turn into just white like a flash light like you were picking something up. This is the thing from the game im talking about-* Click here* Go to 0:25. When he picks up the companion cube with the Portal Device. Like when the electricity comes out. But are you going to add sound effects?
Oct 18, 2011. 9:20 PMssc1980 says:
Dumb question: the 3" and 4" PVC (ABS, really) pipe at Home Depot has a 4" *inner* diameter, as do the 3" and 4" couplings, so the couplings don't actually fit over the abs pipe.

Should I be getting smaller pipes or bigger couplings?
1-40 of 236next »

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Author:ThePropNerds
Two college students who like to make awesome stuff.