Picture of Creating a Costume/Cosplay from E.V.A Foam

Good evening Ladies and Gents, In this fine Instructable I will be showing and instructing you how to work with EVA Foam for costuming and prop creation.

If you have any questions regarding the tutorial, making of your own cosplay/costume or just want to say hi please send me a message on my facebook page ( Its much easier and faster to get back to you there. :)

Over the several steps listed here ill demonstrate a handful of good techniques when working with EVA foam for the new and experienced cosplayers or costume enthusiast. Ill be demonstrating cutting, forming, edging, gluing and a few other tricks. I learn better ways and new techniques every time I do a costume so check back often for improved or new tricks and examples.

What you'll need!

EVA foam
Poster card/ card stock
Xacto blade/Razor knife
Hot Knife
Heat Gun
Soldering Iron
High temp Glue Gun
Rotary Tool
Nylon Straps
Velcro/Hook and Loop
Metal ruler
Fine point marker
Latex Caulk
Plasti dip
Spray paint

So lets get started!

I do not claim ownership of all the reference material such as product images and the space marine images. these are used as examples to help display what is needed and can be done with the material. All credit goes to the respected owner.

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NekuPOWER9 months ago

I'm a newbie when it comes to armor but I decided to give it a try! My dad have a lot of tools and I bought some good foam recently, I will certainly start tomorrow!
I found a "modest" armor in Monster Hunter tri that will be fun to make!

Your article is very clear, English isn't my first language but I can understand it very well! :)

Towering Props (author)  NekuPOWER9 months ago
Your are welcome! Thats what im here for. If you have any questions feel free to send me a message on facebook!
You put in capital letters to not paint the inside of the armor. But i bought the multi colored foam. What is your reasoning for not painting the inside?
Towering Props (author)  keithpurdy9113 days ago
Unless you seal it the paint will chip and sweat off and get all over you. In the long run its just a waste of time and money. Unless its visible from he outside theres no reason to paint it.

BenS81 month ago

Hi, could you possibly give me some more detail on how to make a harness? My costume needs one, but I can't quite figure it out

Towering Props (author)  BenS81 month ago
Basically what your creating is an H harness just out of stuff you can get at Walmart like buckle straps and luggage straps. The 1" straps you can get in the camping section at Walmart and the 2" buck straps you can get in the luggage section. buy cutting the 1" straps the the right size you can easily create an H harness for a couple bucks.
here's a picture of what a H harness looks like. (

Ok, Thank you, and by the way, your instructable is really helpful so thank you again!

Awesome instructable! Thanks! I wish I'd seen this before making a Destiny costume for Halloween. Well, there's still Fanime.

I need to make a belt and I was wondering what would be the best material. If I should use foam or something else. I was thinking foam would be better. If it helps at all, I'm cosplaying Tsubaki Nakatsukasa from Soul Eater.

Towering Props (author)  AlwaysYoursx3331 month ago
Yah i would reccomend the roll mat because it will be long enough to have the belt be one piece. Rather then glue mutliple pieces out of the tile foam.
I am making a costume for my six month old for a con. I am making a togpi what kind of eva foam should i use
Craft foam will be your best bet. Very flexible comes in many colours so you wont need to paint it, best of luck!
Hi Towering Props. :) I only just (not even a week ago) discovered armor with Eva, and was wondering, should I buy thin or thick foam for some Skyrim armour? It costs too much to buy both, as I only have a part time job.
Towering Props (author)  OceanWhisper1 month ago
Hmm thats tricky... depends in the armor your looking to make. Say if you want to make deadric i would reccomend the rolls but if you wanted to make dwarven i would say the tiles.
Thanks anyway :) I eventually just spent the extra $10 to get a roll of the thin foam. I figured that I could just layer it. I've made one gauntlet so far :D also, do you know if I can make acrylic paint look more 'metal'? I'm not able to buy spray paints of any kind. Thanks

As a costuming ultra-newb I found this article incredibly informative and helpful. Thank you very much!

TaylorJ22 months ago

So I'm trying to build a Daedric armor cosplay, how do you recommend doing the horns, or horns at all?

Towering Props (author)  TaylorJ22 months ago
You can do horns no problem. Think of them in strips, the more strips you have the rounder it will be. Say a pentagon has 5 sides but a hexagon has 6. The hexagon appears much rounder then the pentagon, so the more strips you have the rounder the horn. Also using latex caulk will help fill the seams of the foam to further help round the pieces.
MathewMatangi2 months ago


I was Just Wondering what is the best Foam thickness for making a helmet? I'm gonna make a Star-Lord helmet from guardians of the Galaxy using pepakura and was wondering if you need a certain thickness, please reply if you can :)

Towering Props (author)  MathewMatangi2 months ago
Hey thanks for the question!

I highly reccomend using the roll mat as the thickness will allow plenty of room inside the helmet while still being strong and keeping shape.

BW23 months ago

You used Plasti dip for sealing. How about Modge Podge? This is what I'm using but if there's a good reason why the dip over Modge Podge then I might try it. thanks for sharing your instructable, I'm buying a heat gun and wood burning tool now!

MelissaR4 months ago

I'm totally new to cosplay but have been watching many videos and I'm super eager to give foam armor a try! I've been to all the craft stores in my area and can't find any decent foam (why craft stores don't carry large amounts of foam is beyond me). But I was wondering if yoga mats are a suitable alternative for a beginner? Also, if they are, are there any different tips to using them than regular EVA foam…or is there a huge difference? Thanks!

BW2 MelissaR3 months ago

If there's a Michael's craft store near you, they sell the rolls of thin craft foam. You may have to ask them for it since it's usually hidden away.

Towering Props (author)  MelissaR4 months ago
Hey! Thats great to hear that your getting started on your first foam costume. I personally do not recommend using yoga mats as they are way to malleable and youll have a hard time keeping it from sagging. Your best bet is to order large craft foam pieces or bulk on ebay or upgrade to the mat rolls which you can find at sears or harbor freight.
timcaird3 months ago

Absolutely brilliant instructable. Very detailed, well referenced and it's clear you really love designing and making with EVA foam! Your instructable helped me fully understand how to make cosplay armour and outfits. Do you have any suggestions for making EVA foam weapons/accessories - e.g. a bolter to go with the space marine, or a Frostmourne for Arthas?

Towering Props (author)  timcaird3 months ago
Thanks! I appreciate the support. The process is nearly identical and just as simple. You can check out a friends Instructable on exactly that right here:

The bolter pistol was made using pepakura files.
anya.suilruin4 months ago

Hello there, I am also a newbie when it comes to armor as well. I have done some craft foam armor but I am running into a bit of a snag with a costume I have wanted to do for years. Its Meru from Legend of dragoon her dragoon form

I was wondering if EVA foam would be good for the mid section since theres a lot of movement there. Thoughts?

Towering Props (author)  anya.suilruin4 months ago
Hey! I don't see why not... Your best bet will be the roll matting as the tiles will definitely be to thick for what your trying to do. I'd just go ahead and experiment with it and see if it works!
deadpoolz844 months ago

This rules!! Also, for EVA everyone should check out . They have an insane amount of product. I forget the name of the flexible foam they carry, but it's some of the best stuff to work with.

Raksayarth5 months ago

Are there ways to tint acrylic besides window tint sheets/rolls? Thanks for any tips.

Towering Props (author)  Raksayarth5 months ago
Yes actually, ( you can get it at your local autoparts store. Just be sure to GLOSS clear coat it after.
Raksayarth5 months ago

In my cosplay, there are certain parts which need to be made using the tile foam, and each piece will not fit on a single tile. If there is a way to seal the interlocking edges of two tiles, while making the seams inconspicuous, could you give me the procedure? I know that your section on sealing seams would be my best bet with my current knowledge, but if there are other ways, please let me know.

Towering Props (author)  Raksayarth5 months ago
Hey! The best way to use mutiple tiles for one piece is to connect them using the puzzle edges and hot glue along the edge. If you use the puzzle seam as the center of the piece you be able to get a pretty clean seam if you sand it down.
jglowzinski5 months ago

After watching Heroes of Cosplay, I want to make an outfit and compete. It will be kind of, lets say scary. haha 29, but had a brain injury in 03 and was left with no smell and like 8% of my vision. Being on my own in a new state will make me kind of nervous. But, I shall do it! I am going to make something simple. I like Dragon Ball Z. I watched it when I was a teen. I've been looking and really like the Oozaru thing. I like the shape and the hair gives it a live feel. I also like Frieza in all forms and Cell. When I was a kid, my favorite xmen guy was Gambit. So, any of those seem like a good thing to make. But, I believe I will go with the Oozaru. I can not see me winning a comp. haha As I said, I've never done it and really DBZ, can't get simpler. But I will try!

Towering Props (author)  jglowzinski5 months ago
Cheers haha, competing is a conference thing and beleive it or not i have never attempted a costume competition. Its not about winning even though its nice from what i hear but its about meeting others who are passionate about the same thing and its always good to network. Best of luck creating your DBZ costume and competing! Maybe well bump into eachother at a con!

Hey! Amzing work. I am currently working on a Sentinel costume fromX-Men and the oly part I am stuck on is the foot. THe 2 photos you have in step 8 look exactly like what I am trying to find. Do you know where you got the Pep files for those?

Towering Props (author)  RandallFlagg135 months ago

Head over to my facebook page and ill send em to yah :)

Raksayarth6 months ago

Hey I'm just taking my first step into the world of cosplay and decided to start with this technique. I chose Soundwave(a Transformer)for my first rig, and after seeing the picture, I wanted to know if you could give me any pointers on foam type, paint, and such. In addition, the faceplate is an issue for me, I want to make it out of some kind of plexiglass/plastic thing that I can see through without being revealed to outside viewers, and if this is plausible without any high level of expertise or expense, advice would be welcome. The costume needs to be as light as possible, and sturdy(both especially on the giant shoulders!). Thanks for any tips!

Towering Props (author)  Raksayarth6 months ago

Soundwave! Yessss, I was disappointed that its not the tape deck version from the 80's but it'll do. Your best bet it to use a mix of the tiles and roll mats. For the lighter colors on him use the tiles while the darker colors use the roll matting. As far as the lenses for the helmet there's a number of ways to do it. You can either make it out Plexiglas or acrylic, use a heat gun to get the shape you need and get a roll of window tint. I know on ebay you can get mirror window tint for real cheap and they might even have it in that pinkish purple color. Other alternatives would be too look for replacement motorcycle lenses or snow board lenes and just cut those to the size you need.


Hi there. I'm starting up a project to remake my Darth Revan armour and I'm just in the planning stages right now.

This is what I'll be aiming for. In your experience, what would be the best type of foam to buy for this? I don't want my arm movement to be restricted by thick foam.

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