Firstly I must take off my top hat and bow to Gogglerman for his wonderful creations and inspiration. He is a true artist and this project would not have been conceived if not for him and it would not have been attempted without his inspirational work. If you enjoy this project I hardily suggest you look up Gogglerman and get ready to be wowed. Now on to the fun part. I constructed this Iris aperature out of plate and sheet brass. On this first attempt at an Iris aperature I used silver solder and a propane torch to solder the pieces together. If no one has ever tried this I would submit that it is a pain in the hind quarters. On the subsequent projects after this piece I utilized a high powered electric soldering iron which proved to be much easier. Due to a lack of planning and a mistake on my part I ended up using a five leaf mechanism instead of six leaves, this gave it a slightly less than professional finish but overall I am pleased with it. I hope you enjoy it. I will add more body to this instructable as time passes so keep an eye out for changes to it and new instructables I will be posting.

Thank you Gogglerman!
(Here is a link to Gogglerman's page)

Step 1: First thing first

Alright, the first step is to study this instructable. If you try your best to read all the directions carefully and still find yourself with questions then please feel free to contact me.

It’s a good idea to have some things down on paper before you start this project by asking yourself some questions such as “How big do I want this?” “What materials can I buy/salvage?” “What tools do I have at my disposal?” “What do I want it to look like?” Once you’ve thought through the process a little and considered your desired material and what supplies you have on hand you can adjust the directions hereafter to fit what you want. It also helps to draw out a concept of what you want the finished product to look like.

For the sake of clarity I am going to list the tools I used as well as provide some pictures of them. That list follows.
-Dremel tool
-Metal snips (The kind that cut either direction.)
-Needle nose pliers
-Small propane torch (or High power soldering iron.)
-Silver or tin solder
-Flux (Preferably non-resin.)
-Assorted small files (The more shapes the better.)
-Dremel bits (Cutting discs, small sanding drum, wire brush, sandpaper.)
-Calipers (Could also use a straight edge/square and a scribe.)
-Sharpies (Fine point and super fine. These are handy for any project or prank.)
-Ruler (It is helpful to have a stiff one and the flexible variety used for sewing.)
-Sandpaper of varying grits
-Scotchbright pads
-Pipe clamps
-Bi-metal hole saw bits
-Drill press
-Drill bits
-Refractory block (You can also use a block of wood but it doesn’t work quite as well and has a tendency to burn.)
-A couple of bowls or cups filled with water (To quench hot parts.)
-A respirator (Or dust mask.)
-Center punch (Or a nail would work)
-Brass, rawhide, or rubber hammer
-A piece of 1” diameter pipe (Or slightly larger or smaller, for bending strips into circles.)
-Scrap piece of 2X4

In addition to the tools listed you will need materials, that list follows.
-Brass or copper sheet (.032 and thinner preferably. The housing it made from a thicker brass and the leaves are from a thinner brass.)
-A ton of cheap ball point pens (The ones with the brass tips. Or you could use small brass round stock.)
-Brass plate (If you are making a solid cam plate as shown. I will also describe a cam plate made from brass sheeting and show a picture incase you can’t get any thick plate.)
-Leather (If you intend to make a leather band.)
-Graph paper (For layout of the parts)
-Unlined paper (Incase you want to do a concept drawing or write down some calculations or draw a hummingbird sipping orange soda through a crazy straw.)
-Poster board (To make a slightly more substantial pattern for parts.)
-Brass nut and bolt

PLEASE DO NOT get discouraged by these lists! These are some big lists and if you were to go out and buy all of these things for one project it would cost a ton of money. I have collected these tools over a span of some odd years but made due without them on previous projects. My point is if you don’t have all of these tools look around and ask yourself what the function of the tools are and what DO you have that would work instead? You’d be surprised at how creative you can become when you are poor or broke. I have used a file to cut thin metal before (it sucked) you could also use a jeweler’s saw, or a hacksaw with the proper care. So don’t worry. Just loosen up your creative skills and improvise.

(Safety warning)
When grinding or sanding any metals it is a good idea to have adequate ventilation and to wear a dust mask or respirator, that dust can get in your lungs. No fun. Also it is a good idea to be weary of some solders because they contain lead, so be careful and make sure to have enough ventilation to take away the fumes and be sure to wash your hands after using it.
can you make vid for this?...please make it....*^▁^* = ̄ω ̄=
what is flux for i know its for soldering but what perpous <br>
All metals will develop an oxide film when heated. This film stops the solder from &quot;sticking&quot; to the metals. The flux cleans the metals being joined and protects them from oxidization until it sticks. Soldering is actually an alloying process where the surface of the metal and the solder form an alloy. This will not occur with a metal oxide in the way.
I'm sorry to inform you that soldering does not form an alloy. An alloy is defined as a metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion. When soldering, the base metal and the solder metal do not combine. <br>
<p>Guys, what we were all taught (soldering doesn't alloy) was right at the time. Science marches on and it's been discovered that it does, sort of. On a scale that's only relevant to electronics production and nanotech. So why argue? It isn't relevant to this sort of work.</p>
<p>This is two years old, man.</p>
<p>Ah, right. Good point. Thanks for taking a sec :/</p>
Nice project. You say dremel tool--that's no dremel--it's a FOREDOM! That said, I love the project. May try to do one myself. Probably not as nice as yours, though.
<p>It does look exactly like my Foredom's handpiece! Which could never be found at HB. They wouldn't (couldn't) sell any of the illegal knockoffs either (BTW counterfeit Foredoms are apparently a real problem). Curious.</p>
Lol. Well it's a cheapo from harbor freight. But I say dremel because the same thing can be achieved with a dremel and it's a brand name that has been adopted to include any off brand rotary tool. As far as doing your own version I am probably going to put together some patterns for anyone interested in doing it. :) thanks for your comment!
could you please upload the patterns please? :D struggling a bit with the iris pieces for a different project :)
It looks like a flex shaft. Flex shafts are, in my opinion, a lot easier to use than a dremel hand tool and, I believe capable of greater speed with less vibration. <br>
Really nice project :) where can I find brass or copper sheets online for a good price?
<p>Amazon has good and bad deals that come and go. Also, if you are doing enough work to justify it:</p><p><a href="http://www.whimsie.com/index.html" rel="nofollow">http://www.whimsie.com/index.html</a></p><p>Note: copper and its alloys are no longer a cheap fallback like they were 20yrs ago when I first started working in red metals, they have gotten a bit expensive.</p>
.How on Earth will you change the battery when it dies?
The case comes back apart and I can acess the battery. I have hopes of integrating an automatic &quot;self-winding&quot; watch in another project. <br>
Nice job! Looks wonderful. Thanks for the inspiration!
Shade stride thanks for this instruct-able the original was beautiful but yours was much more informative. <br>
out of interest: did you look at other types of iris? <br>if so why did you choose this type?
Congratulations on a very good instructable.
I have always wanted one of these, I'll have to get around to it some day.
You can't enter this in a contest! It's a copy off of a different instructable.
Well it's loosely based on another instructable. That's true but it is different in design and the instructable on which it is based has no textual content on the construction of the object. So I had to figure all of that out on my own and I did post textual directions which are totally new from the project I loosely based this on. The methods which I used to construct this are surely different. Also my entry was approved and I do give credit to the original for the general idea so they must be aware of it. I would also point out that there are other entries based loosely on other instructables, such as goggles and there is a monocle and any number of other things which might have been inspired by other instructables. As far as instructables inspired by other instructables go that would include ALL instructables because without the first instructables posted no one would have the thought to post one.
Thank you for taking the time to document it all! That first iris diaphragm watch Instructable led me to spend a few days investigating how irises work, whereas if he had documented it as well as you have here then it would have saved me some effort!
Ok then. that sounds good.

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Bio: I am a regular guy who does anything and everything I find interesting. I believe in the power of the mind and it's ability ... More »
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