Picture of Steampunk Goggles Iris with interchangable lenses
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I built these for the shop bot challenge if you like them please vote!
From the start I would like to acknowledge Gogglerman for his exceptional work it was the basis for my desire to make these.
The whole process took at least 4 weeks at about 6 hours a day, I will not attempt to show all the work, but hope to explain how I made the super thin Iris in the goggles, the final product has an additional lens and filter which was not needed if you only wanted an Iris pair of glasses.

Step 1: The Iris construction

Picture of The Iris construction
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These shots show me thinking through the way to set up a thin iris, there are two rings one inside the other, as the outer turns it pushes the posts on the bottom of the shutters. The outer ring must have elongated holes because the pivot points move slightly away from the outside edge as the shutter closes.

I did not use an eight shutter design as I tried in the cardboard test model.

the pictures are proof of concept they are straight in the picture but will end up as circular in the finished product.
you can see from those pics the iris need only be 3 layers of metal thick. about 1/4 inch including the pivot posts.
nerd74731 year ago
pretty cool longwinters you did a great job
Lefty_Link2 years ago
Your design is what I hope to achieve later along the line! So beautiful! So clean! Such art! Thank you for inspiring!
longwinters (author)  Lefty_Link2 years ago
Thanks Lefty I love it when people comment on projects almost forgotten, I've got them on a book shelf where I can see them everyday, I can't help but think what was I thinking when I built them...
Well no matter what, I still appreciate this design and really enjoy the skill you put into it! I really should look more into some of your other work :)
aslaven3 years ago
technically, could you use nearsighted lenses in these???
longwinters (author)  aslaven3 years ago
sure you could, one lens is a magnifing glass to make your iris look huge, no reason you could not have a prescription lens set made.
Thank's for having a look.
sweet,looks like i have myself some EPIC new glasses
aslaven3 years ago
BTW, this is EPIC!!!! Just what ive been searching for,Now if only i could find those steampunk headsets
justjimAZ3 years ago
Really beautiful craftsmanship.
Vote! *ding*
Good Luck on your contest!
robotjim3 years ago
Nice work, very cool! My vote as well. There's just something fascinating about an iris...
JBZG3 years ago
Duly voted for...Thanks for the patch!
agis683 years ago
excellent work, very professional too,

mduhamel3 years ago
Is there a place that you mention the tools needed to do this? You say in here somewhere that "it should be self explanatory" but I don't think it is for DIY noobs.
longwinters (author)  mduhamel3 years ago
A drill press would be required, tin snips, soldering iron, a disc or belt sander helps greatly to size the parts, a fixed style, (bench) the sander helps because frequently you will need to adjust a peice by a small amount, cutting with snips leaves a rough edge the sander does not.
the second pic in this step shows how the shutter action works.

Two protractors glued to a rotatable board greatly improved the accuracy of placing my noches in the rings and getting the shutter over-lap right.
I also used it to determine the 5 hole positions for the base plate.
I tried using dividers going around the circumfrence but could never get an accurate position for all five holes.

a thin sharpie is mandatory for layout, the card board mock up is very helpful in getting your dimensions and feel for the final product.

The way I used the protractor was to place a circular blank of brass sheet with a 3/16 hole in the center, then rotate the blank until I had the desired shutter length.

I will soon be posting a second iris which is simpler to make and easier to adjust.
Thanks for this. Sadly I remain a poor DIYer so this will have to wait.
longwinters (author) 3 years ago
I would like to thank everybody who has commented, these were truly a labor of love.
My moniker is longwinters and it's a massive snow year here, so there was time to sit in the shop and built these monsters, you always wonder when you are building something like these, will other people like it? It is good to hear I got the asthetics pretty close.
JBZG3 years ago
Excellent work!
vpurcell3 years ago
SO unique and beautiful! I love these!
Beautifully done! This is definitely on my to do list now.
snideprime3 years ago
Great job. truly a work of art!
Infrasonic3 years ago
I like your goggles very much and it´s nice to see that you´re doing it with love.

Mostly I like the stacked sides that reminds me to the old Lincoln cars and I love that very much.

How did you get that pattern on the wire? Is that the same wire that´s bended around the saw in the picture?
longwinters (author)  Infrasonic3 years ago
The sides are of course bits of tubing cut on an angle, the bends in the side wires were done with large flat plyers, it's easier than you would think because the solid wires slide into the tubing so all you need to get correct is the back angle and close on the length.

The lower wires are a smaller diameter.

The way I made the pattern was to solder the tubing on a little long then sand them togeather to form the "spirial" looking design , this was repeated with each additional segment.
Winged Fist3 years ago
Incredible job Long Winters... A true work of art! Your craftsmanship really shines through on this project. Also very well photographed and documented...You got my vote for the Shopbot challenge;-) Keep up the great work!
Beautiful work, both the main project and the instructable. Thanks for sharing it. Now all that's required is a micrometer range finder and you are set to go.
paraethesia3 years ago
Excellent job!
Dr.Bill3 years ago
Really Very Nice To Look At. If ever you decide to mass-produce this, let me be your first customer~5 Stars !
longwinters (author) 3 years ago
I made a technical error in my description, the alu plate should be called the suppor or foundation plate since the shutters rotate on it, the inner and outer rings rest on one side of it, and the shutters the other.

I chose to mount the exterior cover to the copper outer ring, it should be noted that when you operate the shutters you are actually rotating the interior assembly.

Thanks to all for the kind words!
Beautiful engineering, a work of art!
Junophor3 years ago
Hi longwinters

Take a bow!!!

Absolutely great work. The iris mechanic looks really good. I am still longing for the right idea of my future goggles and you brought me another idea. Great;-))))

Keep up your style!!

Yours Aeaon Junophor
gogglerman3 years ago
Great job! The magnificent design and outstanding quality. Sir, please accept my congratulations.