Instructables
Picture of Dune Giant Sandworm Shai Hulud Costume
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The giant sandworms of Dune can grow to over 400 meters long, and are equipped with an incredible array of crystalline teeth. They dwell in the deep desert on the planet Arrakis, sole source of the prescience-inducing spice drug melange, and are known to native Fremen as Shai-Hulud. The worms create the spice, and he who controls the spice controls the universe.
 
If you wish to follow in Leto II's footsteps and transform yourself into a living embodiment of Shai-Hulud, simply follow this Instructable.
 
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I got one of these cheap play tunnels for my kids, and suddenly had an epiphany:  it would make an awesome base for a Shai-Hulud costume. As a long-time Dune fan and all-around geek, dressing up as a giant sandworm was quite possibly the best. Thing. Ever.  

A google image search turned up just one previous attempt, a two-person affair which looked more like a Chinese dragon costume, so this obviously had to be made.  Eric and I both worked on this costume, and I wore it during the day to our company Halloween party (where it won Scariest Costume!) and he wore it while out trick-or-treating with our daughter, who dressed up as Alia. (See Step 8.)
 
It turns out to be an excellent geek test: do people think you're a Sarlaac?  From Tremors?  If they know you're from Dune, do they think of the books, David Lynch movie, or SciFi Channel mini-series?  (For the record, it's the Frank Herbert books all the way, with the movie for classic campy fun.)
 
The costume was actually pretty simple to make, once we got the concept down.  It takes a while to assemble all the parts, but the end result is a ridiculously sturdy costume that will stand up to abuse from adults, kids, and very confused pets.  I'm hanging it up in my office, and will add pictures once it's properly rigged. 

Intro image is a composite made with Pixlr Editor.  Background photo is of the Peruvian desert outside Huacachina.  Blue eyes throughout also courtesy of Pixlr.
 
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Honus9 months ago
That is awesome!
canida (author)  Honus9 months ago
Thank you! High praise coming from an expert geek costumer. :)
Honus canida9 months ago
canida (author)  Honus8 months ago
They are equally big geeks. :D
iceng9 months ago
Superb attention to detail.
Blue spice saturated eyes.
Alia ready to dispatch the Baron.
What wonderful memories you evoke
Makes me want to make a worm thumper ible
canida (author)  iceng9 months ago
Thank you! And please do, that would be amazing. :)
General Zod9 months ago
I am not the biggest of Dune fans, but this is inspired and awesome.
canida (author)  General Zod9 months ago
Thank you!
Wei_TO9 months ago
Super COOL!
canida (author)  Wei_TO9 months ago
Thank you!
artworker9 months ago
Blue eye freaked me out! (Till I searched for blue in the text)
canida (author)  artworker9 months ago
Creepy fremen spice-eyes FTW!
mikeasaurus9 months ago
This is great!
canida (author)  mikeasaurus9 months ago
Thank you! Come try it out - I'm storing it in the rafters.
Great costume, great instructable! You've got my vote - Love it, your attention to detail and dune in general. Almost missed little 'Alia' with the crysknife - so cute!

On halloween and always;

I must not fear.

Fear is the mind-killer.

Fear is the little-death that brings total obliteration.

I will face my fear.

I will permit it to pass over me and through me.

And when it has gone past I will turn the inner eye to see its path.

Where the fear has gone there will be nothing.

Only I will remain.

@Jayetuu - There needn't be quite so many as the franchise may suggest if you stick to the originals by Frank Herbert (I had 4 of the 6 passed down from my grandfather, couldn't stop there and have re-read 1 twice & 3 once since then -  but never had any desire to continue beyond Chapterhouse.)
canida (author)  alannarosewhitney9 months ago
Thank you! This was definitely a labor of love.

And agreed - as far as I'm concerned, Brian Herbert's books are mediocre fanfic.
kenbob9 months ago
Love this!
canida (author)  kenbob9 months ago
Thank you!
kewpiedoll999 months ago
The blue eyes are HILARIOUS!
canida (author)  kewpiedoll999 months ago
Thanks!
The Rambler9 months ago
This is awesome. Now I want to make one so I can leap at unsuspecting passersby and eat their heads.
canida (author)  The Rambler9 months ago
Thanks! The screams of terror are immensely gratifying.
Jayefuu9 months ago
Wow that's fantastic! I wish I had time to re-read all the Dune books now but “If wishes were fishes, we'd all cast nets.”
canida (author)  Jayefuu9 months ago
Some things are worth making time for. Put them on your phone and read in small chunks!