I thought this might make a good first Instructable after the amazing reception it got at Spiders Nightclub's Halloween Party. I'd wanted to do something like this for a couple of years but never got around to it in time for previous Halloweens. It took a few days but most of the time was looking at shark pictures on Google and making little paper maquettes of the shark to try and work out scale and construction. I used an Action Man (GI Joe in US) doll to get human proportions but everything would be much easier if there were two people involved so you could measure up on a live model. By the way, I am very old so a trip to some old boxes in the attic dug up an Action Man of early 1970s vintage. I believe Action Man/GI Joe nowadays would only be useful for pattern making if you are a giant steroid-filled bodybuilder.

I would highly recommend getting a friend to help whenever you have to try the pieces on for fit, it'll save a lot of time. I'm the kind of person who visits instructables a lot and thinks that spending the week before Halloween building a large and impractical costume is a better idea than going out and talking to people so consequently I have no friends to help out.

All the proportions and patterns are designed to fit a skinny person like myself, not much of a meal for a shark! YMMV.

Step 1: Stuff You'll Need

A large sheet of 1 inch thick grey foam rubber for the shark's back (or a white/pale one if you plan on spray painting it). You can get this from upholstery suppliers or online. In the UK it tends to be colour-coded by quality and the grey is a more expensive foam. I was lucky enough to find a poorly-cut sheet going cheap. Exact sheet size will be down to the size of shark required!

A large sheet of 1/2 inch thick white "Zotefoam" type material for the shark's belly.

A small sheet of 3/4 inch white "Zotefoam" type material for the shark's muzzle & teeth. 

Zotefoam/Plastazote -type foam sheet is a semi-rigid polyethylene foam much stiffer than foam rubber. It's the kind of foam you find in camera and gun cases where a precisely-fitting recess is cut out to fit the item to be protected. It's also used industrially as flexible insulation board. If you hunt on Google you'll find suppliers on the web, it's light so not expensive to ship in large sheets. You could probably just about get away with some form of cardboard box material if you can't find/afford this foam. I happened to have a sheet lying around that I've known for years would come in useful one day...

Some 3/4 inch wide nylon webbing strap and plastic clip/buckle to make a belt.

Some 3/4 inch wide elastic and another plastic clip/buckle to make a leg strap and some hinges.

Gloss black self-adhesive signmakers' vinyl to make the shark's eye.

Ordinary A4/US Letter size office copier paper for the small, paper maquette sharks.

Large sheets of paper/cardboard for the full-size patterns. Anything you can draw on with a pen will be fine. I guess a cheap wallpaper (lining paper) roll would be fine, I had a large roll of 610mm wide plotter paper from my graphics work.

"Evo-Stik" -type impact adhesive. A kind of solvent-based flexible rubber glue. I think "Cow Gum" may be a simlar US equivalent but I'm not sure on this. You coat both surfaces with a stringy, messy, snot-like glue and then allow it to dry to the touch for 15 minutes or so before pressing the surface together for an instant (non-repositionable) bond.

A hot-melt glue gun is useful too.

Low-tack masking tape

Red, white and yellow artists' acrylic paint

Needle and thread to attach the buckles, you could get away with either of the glues and skip this but I like to know a costume won't let me down in a crowded nightclub where it'll get quite a beating.

1" wide self-adhesive strong velcro tape (white if possible).

Very sharp craft knife with lots of spare blades. IMPORTANT - don't skimp on new blades when cutting the soft foam. I used a snap-off blade boxcutter type of knife.

Scissors. Don't run with them.
<p>I'm looking to do this for a school engineering project. So I need to get some of this &quot;zotefoam.&quot; I have found pretty much the same material here in the US, but I need to know how much to order. Do you have a rough measure on the square meters of the &quot;zotefoam&quot; need to build the costume?</p>
Hi, it's a long time ago now but all of those various forms of foams come in standard sheet sizes. I think they were mostly six feet by four feet or maybe eight feet by four feet so a single sheet would be plenty. Probably two metres by one metre metric. Remember the stiffer, more plasticky Zotefoam is only for the white bit, (the belly and offcuts for teeth). I think it's a polyethylene foam or something like that. If you look at the downloadable files there is a very simple pattern for the belly sheet. Print that out, look how far up my body my costume comes and then measure yourself to see how far up you want the shark to reach on yourself. Then scale that pattern up to the height you want (you don't need to print it full size yet, just take scale measurements off the pattern and it will give you the width for the height). The main grey back and fins of the shark were made from normal upholstery foam rubber. You'd take the scale for those bits from the scale you worked out for the belly piece. Hope this makes sense - look at the belly pattern and you'll see how simple this is.
<p>Forgot to suggest that you search the web for cosplay armour build sites, nowadays loads of people use foam for costume building and list their suppliers on cosplay forums. It's much easier to find now because of these resources.</p>
<p>with just a few days left to Halloween, of course I waited till the very end, how can I rent this Shark costume from you. </p><p>Danhoenig@gmail.com</p>
Where are you from? I live in the UK so if you're in the US I'm afraid it'd be prohibitively expensive to start sending sharks across the Atlantic!
Hi, and thank you for getting back to me.<br>I am in Miami Beach, Fla.<br>Just wondering what Fed Ex would charge to get it there by Friday. I know it's not heavy, just bulky.<br>Thank you again.<br>Danny
always funny when u get an email with someone in your local nightclub lol spiders is so easy to recognise anywhere lol
SNL stuff is pretty much unknown here in the UK but I was introduced to classic SNL back in the 80s. The Landshark was one of my all time favourites and my GF very kindly bought me a Landshark t-shirt ( off the internet and despite not really having a clue what I was talking about! ) this Christmas :)
I haven't paid attention to the instructions, i only looked at your fabulous costume. wondering, can you walk when you are wearing it?
Lol, not really! If you read the instructions you'll find the bit where I mention the awkward penguin waddle. I did have to walk a few hundred yards and then queue to get in to the nightclub and then I was wandering around for hours in there so it's perfectly doable, just ungainly. On the whole I found it added to the effect as I rocked and shuffled through the crowd it seemed to attract attention and laughter. Stairs are very tricky though as leg movement forwards/upwards is fairly limited by the flexibility of the foam rubber. It was only four or five steps up into the club and that was plenty...
now all you have to do is wear an old flannel shirt and hat, and hire out a large fishing boat!<br><br>(500 points for the reference!)
Love it!!
Ah, OK, I'm lost on this one. Was a childhood Batman fan, not so much in to shark films, lol. I'm sure something like that happens in one of the assorted Jaws films but the hat just made me think of the Old Man and the Sea although I think he had a small boat and the sharks only ate his Marlin.
Quint from <em>Jaws!</em><br> <br> -500 points!
Oh well, it is more than 20 years since I last saw Jaws and for some reason I was thinking of a wide-brimmed sun hat, never thought of the peaked cap.
True, true...<br><br>by the way, nice costume!
LOL! Ingenious. Well done!!!
Ta for the support!
Hand me down the shark repellant bat spray!
Awesome, my very first instructable and possibly the best comment I've ever seen on here, thanks! I'd forgotten all about that so now I'm off to Google to see if I can find a still of that scene to bring back childhood memories. A great moment in cinema history.
Found it... all copyrights credited to original owners, creators, etc, nowt to do with me :)
hahahaha I wasn't expecting you'd know about it. Next year dress up like batman and have the shark on !
What a great idea! I think most of us had tought in some custome like a monster or a beast eating us in some time of our lives. But your costume has fullfilled my expectations so far!

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