Creating Costume Armor with Wonderflex

 by volpin
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This Instructable will guide you through the process of creating lightweight and durable armor for costuming using a material called Wonderflex.

While 90% of the armor in this tutorial will be comprised of Wonderflex, it's important to know that the best results come from using a myriad of materials. Wonderflex is a very capable material, but there are certain limitations to what you can accomplish with it. I'll also be using other materials to accent and enhance the appearance of the basic forms, and these will be called out and linked when appropriate.

In the images above, all armor parts except the helmet were made from a mixture of Wonderflex and Apoxie sculpt. If you're interested in the construction of the helmet, check out my other instructable detailing how to make helmets from videogames!
 
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Step 1: What is Wonderflex?

Wonderflex is a low-melt thermoplastic (activation temperature of 150°-170° F) with a woven fiber backing on one side. It sort of looks like very thick plastic duct tape. When heated, the material can flex and stretch into curves, including some basic compound curves as well. Due to the woven grid backing, Wonderflex can only do slight compound curves. You could make a radar-dish type shape but it would be very difficult to get it to make a tight dome.

Wonderflex is also self-adhesive, meaning if you heat up two sheets and press therm together, they will bond to one another as they cure. The more you heat the material up, the stronger this bond will become. I prefer to use a heat gun but you can also microwave smaller pieces if you prefer.

It is available in three thicknesses (.35, .45, and .69") and is shipped/sold in rolls. I buy mine from The Engineer Guy here in Atlanta, but there are plenty of distributors online who also sell it.

Even the thickest of their available products is still pretty thin for very good results, so you'll see in later steps I often double or triple layer the material to make curves smoother and cleaner.
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Lexagonal says: May 12, 2013. 8:21 PM
I'm gonna try and keep to a 100$ budget. Don't know how it's going to turn out.
Lexagonal says: May 12, 2013. 8:18 PM
:P This will be perfect for Project Mystogan. If you can make this I hope I can make what I need
Mystogan_GMG.png
paperairplanecreator says: Apr 26, 2013. 6:13 PM
HE HAS THE WABBAJACK!
sixsmith says: Apr 16, 2013. 7:40 PM
Early in the video about weathering you were applying decals to the gun.
I was curious as to the method and materials used. It looks to me like it's a screen printing setup, and am wondering what methods you used to create the screen, I've done homemade screen printing before, and it looked nowhere near as nice as that.
DividersMaker says: Jan 18, 2013. 10:37 PM
awesome + sauce = this !
o__o says: Jan 17, 2013. 2:41 PM
Smithing increased to 100!
chase32615 says: Jan 14, 2013. 9:50 AM
By the gods you are the Dragon Born
jwilliamsen says: Oct 25, 2012. 3:18 PM
Great stuff, Harrison - really nice instructable.

One thing you might want to check out is Smooth-on's "Free-Form Air Epoxy Putty" as a replacement for Apoxy Sculpt - it is crazy-light, carves and smooths well, is super easy to mix (knead) about the hardness of maple... and did I mention light? (it will float in water).  I've been using it to replace some of my uses of Magic Sculpt and have been impressed with it.
William930 in reply to jwilliamsenDec 6, 2012. 12:35 PM
does it shrink when hardening?
jwilliamsen in reply to William930Dec 6, 2012. 1:17 PM
Not that I've noticed - no appreciable amount, anyway - and can't think why it would. It's composed of glass micro-spheres and epoxy - so there's nothing to shrink, really.
paqrat in reply to jwilliamsenOct 26, 2012. 9:27 PM
Thanks for the info on Free-Form Epoxy Putty. It looks like a very useful product.
tmallos says: Nov 21, 2012. 10:33 AM
Congratulations on your win! Well deserved!
poofrabbit says: Nov 13, 2012. 6:51 PM
Congratulations on being a finalist in the Halloween contest!!! Can’t wait to see if you win! Good luck!
chakra says: Nov 11, 2012. 5:56 AM
mother of Gods!! this is one of the most detailed & impressive I'ble i have seen!
any I'ble for the battle axe too??
volpin (author) in reply to chakraNov 11, 2012. 7:41 AM
I don't have an instructible for the axe, but I did detail the build process of it on my website: http://www.volpinprops.com/steel-axe-skyrim/

Thanks for the compliments!
Shadow Ranger says: Nov 7, 2012. 9:39 AM
I'll bet this costume is an attention-getter at all the Renaissance Festivals. :)
McNopants13 says: Nov 3, 2012. 7:55 AM
your paint job is pristine. flawless! i can't say enough good about it!

SewWhat!! says: Oct 30, 2012. 3:43 PM
What an amazing tutorial! I hope to try this out for my Loki!Avengers costume this year!
One question though, about how much wonderflex did you use for this costume? I know it is more the the amount I would need for my armor (Loki's is pretty few and in between for his "casual" costume), but I would like to start stocking some up for more costumes/crazy stuff.
Thank you for taking the time to read my plea, and fo making this fantastic tutorial! :D
The Rambler says: Oct 29, 2012. 9:39 AM
Funny, I was just checking out your new site like an hour ago. Then I'm looking over instructables and thought, that axe sure looks familiar. Awesome stuff man. Thanks for continuing to sharing your processes. I've been meaning to try some Wonderflex. You and Mike over at Blind Squirrel might just have inspired me to finally do it.
robotmaker says: Oct 27, 2012. 6:03 PM
great job ,i go to ren-fest every year for swords and armor,never miss one in fla
yours look real good,
also other states been to them
kwhitacre says: Oct 27, 2012. 2:13 AM
I am impressed that you give such good insight: such as, the 2 different surfaces. Well, done.
bhaag says: Oct 26, 2012. 8:10 PM
Did you make the Wabbajack too? That looks awesome.
widg says: Oct 26, 2012. 11:13 AM
Your passion shines through this tutorial. I have thoroughly enjoyed navigating my way through it. Your generosity with detail and techniques is laudable. I hope your career with costume and props will be as enjoyable and rewarding as mine.
mezcraft says: Oct 26, 2012. 10:25 AM
I think this is totally stellar. I have never used wonderflex before and am curious about it's durability.? I have made a lot of armour using fibreglass molds and fibreglass, but I am wondering if it has the same kind of durabiity as that. Also do you think under the heat of an actual body fighting would it warp it's shape? Or perhaps theatre/film lighting hot enough to distort the shape? I really think this is super keen and I am very impressed by your process and end result. Also I come from a pattern drafting background and was superimpressed with how you figured out a pattern using a 3D program.. It makes me feel like I'm a neanderthal! Very cool though. Also I feel like I am bad propbuilder never having used the ferrous powder before... It has a really cool effect. Also, If you want some more grungy texture without worrying about it all falling off, rockerguard ( that's what it's called in Canada) or car undercoating spray is something I use a lot with a couple tosses of sawdust put on then sprayed on top of, then sanded off. I was super impressed by this tutorial.Way to freakin' go.
1inspirit says: Oct 26, 2012. 4:47 AM
YOUR TALENT AND INGENUITY ARE OBVIOUS AND IMPRESSIVE. THANKS FOR YOUR GENEROUS SHAREING. I WISH THIS HAD BEEN POSTED MUCH EARLIER IN THE YEAR. I DO THINK, HOWEVER, THAT IT WILL MAKE A SHOWING ( AT LEAST PARTS OF IT ) AT THE PENNSYLVANIA REN FAIRE NEXT SEASON IF I CAN GET THE HANG OF IT.
interknight2007 says: Oct 25, 2012. 10:36 PM
This is an AMAZING Ible! I love your work (and it is yet another reason I am kicking myself for not going to DragonCon), and really really want to get into this kind of stuff.

Do you think this method would be feasible for making Mass Effect armor? It seems like you might be able to get the same shapes, but that it would take a whole lot more of the Wonderflex.
MarcusAvery says: Oct 25, 2012. 8:33 PM
VERY COOL! It's too late for me to do this for Halloween this year, but I am SO doing this next year! Great Job! My hat is off to you!
mega_swordman says: Oct 25, 2012. 6:14 PM
This may seem a bit off topic, but where did you get your boots for this costume? Were the also made by GStQ cosplay?
Zergling_pack says: Oct 25, 2012. 11:45 AM
A huge factor for me is the cost... do you have a rough price range? The wonderflex doesn't seem too cheap. Also amazing work how long have you been doing this?
volpin (author) in reply to Zergling_packOct 25, 2012. 12:26 PM
For the entire set? Leather will set you back some, as was used in the straps. If I had to ballpark the entire materials cost of the build it would be in the $400-500 range. I used three rolls of Wonderflex, which isn't much on its own, but once you add in paint, sandpaper, primer, apoxie sculpt, resin, rust powder, leather, etc etc etc. It all adds up.
Zergling_pack in reply to volpinOct 25, 2012. 2:10 PM
hmmm $500 I will start saving up now so I can make some cool armor. Is wonderflex hard, like if someone ran into you would it crack or bend? Oh wow I just realized you were Volpin...
volpin (author) in reply to Zergling_packOct 25, 2012. 3:11 PM
Yep, I am Volpin!

Wonderflex has give to it; it never fully hardens like polyester resin and fiberglass. The thicker you make your blank sheets, the less it will flex, but the parts always have some amount of rebound.

In fact, at one point the armor and the mannequin went crashing to the ground and into a concrete floor. The Apoxie Sculpt was damaged (a small bit of cracking) but the Wonderflex didn't have a ding on it.
Zergling_pack in reply to volpinOct 25, 2012. 6:03 PM
Well I am going to follow you since i didn't know you had an account. And thanks for all of the help. Going to go buy some to see how I like it. Also a random side question if you don't mind, do you do this as a profession or are you just a really good hobbyist?
h8864 in reply to volpinOct 25, 2012. 12:58 PM
now just spend another $50 in 2014 to get GeckoSkin. Its the coolest thing ever!
Zergling_pack in reply to h8864Oct 25, 2012. 2:11 PM
By Geckoskin do you mean actual gecko skin? Sounds like a lot of dead lizards...
h8864 in reply to Zergling_packOct 25, 2012. 5:15 PM
no its a material like a gecko's skin, with tiny hair-like fibers on it so that it can stick onto things.it supports 700 pounds of pull.
ChrysN says: Oct 25, 2012. 5:08 PM
Amazing work. When I first saw it I thought that it looked like something out of Skyrim -very authentic looking.
rahkshi95 says: Oct 25, 2012. 5:06 PM
Wow, that armor is looking good! I love Skyrim, but don't have the time or materials to make a full costume like this.

Any chance of you uploading an instructable for that duct tape mannequin idea? 'Cause that would be useful to alot of people (myself included, lol) with their own costumes.
juan232 says: Oct 25, 2012. 4:11 PM
Dude, this is awesome! Great instructable.
coregeek says: Oct 25, 2012. 10:29 AM
Wow. Just read through this and I'm in awe of your skill. Thanks so much for all the details you described. I'm sure it took a while just to put this instructable together. The armor and complete costume is outstanding. I've followed your blog for a while always excited to see what your working on next.
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