Introduction: My First Mechanical Iris

Hello Guys, this was my first attempt  into a mechanical iris, it was a very fun project, inspired on "gogglerman" creations.

The outside ring (red ring) is made of 3 mm MDF, it has a 130 mm outside diameter, and, an 75 mm interior diameter.
The ring was cutted with holesaws.

The back plate (silver round plate) is made of 12 mm MDF, the runners on it, were made with a tablesaw. it also has the 130 mm outside diameter.

The leaves are made from aluminized sheetmetal.
Bicycle spoke nipples were used as pins, they were brazed to the sheetmetal.

And finally, the whole assembly was housed in a cd tube case.

Thanks for watch!


millikiani (author)2017-07-31

Hello my name is milad i need to make an iris cutter and i need help may i ask your help

Hoggster (author)2012-03-13

WHat did you use to cut out the leaves?

kommodore (author)Hoggster2012-03-13

Here, i use sheet metal snips


Hoggster (author)kommodore2012-03-14

So you cut them with scissors?

kommodore (author)Hoggster2012-03-14

yep, the metal sheet is only 0,75 mm, so is not that difficult

Hoggster (author)2012-03-11

Is the cam plate made of brass or wood?

kommodore (author)Hoggster2012-03-11

It's made of wood, well, not really wood, is MDF.

Hoggster (author)2012-02-06

What did you use to drill/cut the leaves? Im limited to some school drills, and im forced to do line cutting with a powerfull machine rather than break one with a weak blade.

natacular (author)2011-09-14

Excellent video. Was having trouble getting my head around it, but it all makes sense now. Cheers:)

gogglerman (author)2011-08-15

Good work. Excellent video instruction!

kommodore (author)gogglerman2011-08-15

Thanks man, i did it inspired on your builds! so thanks to you man!

dombeef (author)2011-08-14

Very interesting, I made a foam core iris and my prototype looks very much like this, but with only 6 leaves. I have the iris as an instructable on this account.

Is the next one going to be the same size?

kommodore (author)dombeef2011-08-14

Thanks, well i just have finished my second iris, and just published it, you can see it here, is the same size as the first one, but this time with an open backplate you can see it here.


dombeef (author)kommodore2011-08-14

Wow, I will take a look!

rimar2000 (author)2011-08-14

Nice work, but if the inner (center) hole it so small, what's the use?

kommodore (author)rimar20002011-08-14


About the center hole, i did not calculate the tracking pins location, so at first i had a back plate with 75 mm hole, but the runners lenght was not enough to close complete, so i did the back plate without hole, just to get the iris to close complete.

Now im working in a second iris, and this one will have the big hole.


gullfunk (author)2011-08-14

isnt there a small problem you cant see through it

About This Instructable




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