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How Do I make an Alien arm like wikus's in District-9 in time for haloween? Answered

I wanted to see district-9 since May when I saw one of the super creepy propaganda flavored commercials and became rabid with curiosity. I tried to sneak in (twice!). I finally saw it today. I loved it.

Now, my heart is set on making an alien arm like Wikus's for Halloween. If I had seen the movie earlier, I would probably build the whole alien costume, but as things are I am a little short on time. I'll have to go for the genetic-recombinant-halfway-through-transformation look. I won't be going as Wikus specifically(I am female, so that wouldn't work anyway), so the arm & claw have to be all the more recognizable as district-9 alien stuff.  (I suppose I could bring a can of cat food along, but that feels like a badly contrived substitute for doing things right.).

There are no reference pictures for me or anybody; because of  sony's secretive media campaign there are hardly any pictured of the aliens to be found, and I have yet to find one of Wikus in which his arm is visible. My dad says I should use paper-mache to make the thing, but I've had bad luck with the stuff in the past. I was thinking of using plastic on foam base, but that seems rather inefficient. the only other option that comes to mind is plaster, but I would have to make all the molds myself which would be quite a pain. any suggestions? I sure could use some.


I have a few pictures for reference if you want them.<br /> <a href="http://i9.photobucket.com/albums/a89/lemonfoxes/wikus.jpg">i9.photobucket.com/albums/a89/lemonfoxes/wikus.jpg</a><br /> <br /> <a href="http://i9.photobucket.com/albums/a89/lemonfoxes/wikushand.jpg">i9.photobucket.com/albums/a89/lemonfoxes/wikushand.jpg</a><br /> <br /> <a href="http://i9.photobucket.com/albums/a89/lemonfoxes/WikusShoulder.jpg">i9.photobucket.com/albums/a89/lemonfoxes/WikusShoulder.jpg</a><br /> <br /> I decided to use foam, like the kind inside those little children's chairs.<br /> But I haven't finished yet ,so I have no idea how the end product is going to work out.

I am planning on making this arm for a cosplay event at the end of the year. Here is my plan: 1) Using putty and mod-rock creating a cast case of my arm, then filling the cast case with plaster of paris to create the cast of my arm. 2) using black liquid latex i shall layer up the arm till a thick layer of latex is made. 3) once the arm is non-transparent and fairly thick, i shall attach shell-like objects to the arm, a few more layers of liquid latex will be applied. 4) the shirt will be torn along the right sleeve, bloodied and only come down (furthest) to the elbow. 5) To remove the latex arm i shall attemp to peel the arm off or break the plaster casting then shaking out the plaster and rinsing the inside of the glove. I hope this helps who ever wishes to make a really reallistic arm. Photos will be up before the end of september... i'm setting this as a long term project. Thanks all Jack Gilmour want any help email bombjac1993@hotmail.co.uk

I have wanted to make a similar prosthetic part.  I used that spray insulaton foam, because it is sort of easy to sculpt while wet, but stiff and lightweight when dry.  Maybe you could try something with that?

If you try this idea, make sure to cover your arm with something.  That insulation foam is not really meant for contact with skin.  Maybe wrap your arm in a trashbag or cardboard first.  I would do sections of your arm though and not the whole thing at once.  That way you can take it off, and could have the option to move your arm.  Once the foam dries, take it off.

make the roucgh outline out of cardboard an electrical tape, then refine!

I'm afraid it wouldn't hold up. I've had costumes fall apart on me before, and I really don't want to have that happen again. Cardboard is pretty flimsy, and electrical tape is electrical tape. it's hard to make it look like anything but electrical tape.