Instructables
Picture of Optimus Prime Costume
1 Head Front Unpainted.jpg
2 Grill.jpg
3 Chest Unpainted.jpg
7 Chest head & Torso complete.jpg
8 Feet Unpainted.jpg
9 Legs Unpainted.jpg
12 New Head Painted Back.jpg
14 Complete Front 2.jpg
15 Complete Side view 2.jpg
When first beginning my search for the most AWESOME Halloween costume ever created, I first wanted to pick something I've always loved... this lead to my childhood amore for Transformers which eventually became my Magnus Opus or Optimus Prime to be exact. Once I had the idea I shared it with my family and thus began the endless nights, thousands of Glue gun burns and my invasion occupation of my living room. I unshackled the little geek in me and let him run buck wild 'til his heart's delight.



All together I spent about $40 - $50 bucks, finding most materials from what I had in my garage or around the home.

Things you'll need:
- Hot Glue Gun (and sticks - the bigger the bag the better)
- Duct Tape (Red, Gray)
- Masking Tap (Mainly for paint)
- Small Ruler and Big Ruler
- Exacto Blade
- Scissors
- Spray Paints (Primer, Red, Blue, white and Mettalic)
- $.99 cents store Mini Flashlights (4 of them)
- Hard HAt (about $6.00 at any Hardware Store)
- Velcro (Found at Major stores like Target, Kmart etc.)
- Lots and lots of cardboard, or foam board. Most companies throw out scrap or just go to your local markets and ask them to save you some before tossing.
- 2 tin cans (emptied of course)
- 2 plastic report sheet covers (for the windshields)
- I used old Hockey Gloves but any cheap canvas ones will work.
- Packaging tubes or PVC piping

Over the last month I've found myself staring at piles of trash while driving, hoping to find something I can use for my costume. Always try to be frugal and inventive.

 
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tacosmith4 years ago

My three year old wanted to be Optimus prime for halloween so I had to scale the costume down quite a bit. Thanks for the good design Idea!! He loved it and the family was impressed with what you can do with some cardboard and a bunch of hot glue:)

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nmoraga tacosmith11 months ago
hi , i would really love to know the step by step in doing your childs costume. please contact me asap. :D more powers to you

did you ever get the step by step on a child's costume?

Tacosmith, great job, especially since it had to be scaled down tremendously...really awesome. 
Thanks for the great instructable!
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I'm interested in paying for a 'Hot-Rod" vision for a 6 foot tall man to wear at an upcoming event Nov 14th here in Charlotte NC. If anyone can help please call 704.363.8527. this event will be filmed so you will see your work on t.v. call me if your serious and you can build a good wearable Hot-Rod thank you

bfalk3320 days ago

I decided last year I wanted to be Optimus for Halloween (they were my favorite toys as a kid) so I found your instructions and set to work. I showed my 5 yr old nephew the plans and he decided he wanted to be that too! I had my work cut out for me. I didn't get it done as well as I would have liked as I ran out of time, but it was still fun and he was a hit at school and in the neighborhood! This year I am going to put some time into it to make it easier to walk and re-use it! cardboard, duct tape and hot glue gun was a success overall!! and pretty inexpensive. A million thank yous from us both for your great ideas and plans!!!

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jwu1981 made it!25 days ago

We made one according to your design, thanks for sharing:)

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dickyboy1102 made it!1 month ago

thanks for the inspiration.made prime for mcm comic con scotland.cheers

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marvin28433 months ago

I'm going to start building this

1: cause it's awesome

2: cause I got a voice changing Optimus Prime helmet for $3 at a garage sale.

I will probably add pc chasis fans in the shoulder that vent up the exhaust pipes and use a silver mesh fabric for the grills so air can get in to keep it cooler.

Thanks for making an awesome instructable!

Kumarinspired made it!4 months ago

Thank you very much for the instructions - it short cut the learning process immensely. Not only did it inspire me, it kept me busy while I was in the transition for looking for work. I wore it at Supanova 2014 in Sydney yesterday and it brought so many smiles, it has further inspired me to be able to one day create my own future instructable! This amazing drawing was what I based my costume on, it took me every night for 6 weeks - a great challenge but well worth it.

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trev5020005 months ago
Check out this item I found on eBay: http://pages.ebay.com/link/?nav=item.view&id=321392951951&globalID=EBAY-GB
Doctronic3 years ago
Greeting Dannyeurena,

I took on the challange of doing my own Prime using our Prime as a blue print. I wore it last weekend for our pop culture expo, Supanova in Sydney, Australia. I could only wear it for a short time but when I did have it on, I could not move without everyone stopping me for a pic.

Took me over 2 1/2 months to make and had to cram in the time in the end to get it done. Still needs a bit of work done but the result was epic!!

Thanks for the blue prints. Without them I don't think I would of got this done. The pic's are a shorten pic history. Enjoy.
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That's awesome, this helped me a little. what did you put in the leg to keep it on you shin? foam board?

Know its a bit late replying.... 2 years I think. lol! But I used thick foam on the legs and let it 'hug' the leg and prayed that gravity didn't take over. If I was to build it again, I think I would of used a different method.

post your own instructable rather than clogging this up.
dannyeurena (author)  frisbeechamp19831 year ago
It's been a while since I've posted but I don't mind the extra traffic. It's amazing to find others as passionate as I, so "clogging" is welcome.

Been awhile I've been on here too. But thanks for the thumbs up :) Unfortunately I've had to retire Prime due to wear and tear and is now sitting as a demo piece in my comic store for people to look at. I've now moved on to doing a Steampunk Prime and few other things. I've used the Prime blue prints as the base and worked out a few problems. Sorry if I was 'clogging' but I guess some people can't handle the awesomeness! ;)

exactly
NO, really get this off here, and post a photo 'ible!
i bet the guy in the assassins creed costume felt like a loser standing next to OPTIMUS PRIME!!!!!!!!!!
Eireannach made it!8 months ago

Awesome instructions!

optimus.jpg
Eireannach8 months ago
cbeatty111 months ago
Thanks for the inspiration, made my first Optimus costume, and blaster! This was a lot of cardboard carving , let me tell ya! And it's true glue gun burns freakin hurt! Lol!! But just wanted to say thanks for the pics and the info, made my Halloween fun!
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Zerofi11 months ago
Another one.... thanks for the tips and inspiration.
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nmoraga Zerofi11 months ago
hi mind to post your kids step by step costume. optimus prime. thanks
smcshinsky11 months ago
Thanks for the great instructions. I had a blast making this.
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aday1111 months ago
I just want to say thank you so much for posting this awesome picture.. As you can see I made Optimus for my son who is almost 7. I didnt use any of the diagrams, etc.. I just went by looking at the picture of the finished product. And He won Best Handmade Costume this year. And If it wouldnt of been for the main picture you posted, I dont believe it would ever of come out as good as it did.. You had great detail, and all the right things. Again Thank you. Hearing him say "I Love it sooooo Much, Thank you, you are the Best Mommy ever" was worth all the time invested. Which was around 100 or so hours. Next year he wants to be an excavater.... LOL

http://prntscr.com/21c2cv

http://prntscr.com/21c2o2

http://prntscr.com/21c2ts
bwoolard1 year ago
I'm wanting to build one. Where do I find the patterns? I can't find them anywhere
ablec11 year ago
trying to build one now. Thanks for this build. Iam going to also build my son a halloween costume! I love G1 Prime!!!!
jeffphares1 year ago
Just wanted to say great job! I'm starting on one myself. I'm making my out of EVA foam and it's going to have a war "weathered" look to it. You did a fantastic job man!
Ahh, so after a month of building, I was able to make this. I can't tell you how many pictures I took with people. It's SO awesome and fun to walk around in. With the added height of the feet and helmet, I stood just under 7' tall. And I took my little cousin trick 'r treating in it.
primecostume.jpg
I like the suit. How did you make the gun?
Just wanted to thank you for this fantastic Instructable. I took on your design and with but a few added touches of my own won first price at a Halloween party. People loved it and I have you to thank.
Unfortunately it wasn't finished, still needed a few touches here and there, but still went down a great hit.

Thanks again!
Doorstop
ybravo21 year ago
Thank you for taking the time to share all of your hard work with the rest of us. My 9 year old loved his costume so much! Thanks again :)
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Eireannach1 year ago
Awesome instructions! Took me every weekend for 2 months but I finally finished. Here is my Optimus!
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HEY!!!!! IM DONE. well almost! YOU ARE AWESOME!!! hey yesterday I went outside with optimus and a man walks up to me saying that he wants to endorse the product!! If you want ill give you his number!!
This is my Optimus prime costume so far!!
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Hey I have been trying to make a Tranformers suit ever sense I was a very little boy! Thanks to you I can FINALLY fulfill my childhood dream. question how did you keep the legs (shins & thighs) to stay on? I am having a little trouble
Thank you so much for posting this! I made my own Optimus costume based on yours, with a few adjustments for being a girl and having a different... torso shape. My work has a four night Halloween party type thing for little kids and I ended up wearing it four hours each night, mobbed by kids and several adults the entire time.
Just a warning for other Primes-to-be out there: I did have a problem with several of the kids thinking I was a Real Steel robot and trying to get me to fight by hitting or kicking me. The parents usually told them to stop but after a while I had to find a buddy to try and stop them before they got close enough to hit. (For most of them you can tell which ones are going to hit you but they're really smart about coming in from your blind sides.) After spending hours and hours working on this costume it was extremely frustrating having it get banged and torn up. Be sure and bring along repair supplies if there's going to be kids around.
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