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My Iris! My Eyes...no my eyes! [message #1842] Fri, 31 October 2008 06:20 UTC Go to next message
avatar madox  is currently offline madox
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Ooops that one file per message is quite annoying, it posts the message for you as soon as you press upload... /rant over Smile

Just got my package from Shapeways today! So happy that it has finally arrived.

The design was a concept, draw and try upload it to Shapeways in less than 2 hours effort to take advantage of the 66% off black detail offer and it hasn't turned out too bad.

Things I've noticed :-
- The triangulation of the STL seems to be very course for the outer ring, but I suspect this is a problem with Alibre Xpress rather than shapeways.
- The black detail material is actually quite springy and not very rigid. I expected this (infact hoped for it) for the really thin blades, but the inner ring was packed as an ellipsoid in the packaging Sad Which made trying to bend it back into shape and fitting it into the outer ring a bit annoying.
- I need to add more clearance to parts I intend to move Smile The pins fit and slide into the slots perfectly... but the pivot pins and the inner/outer ring don't really rotate ... need to do some sanding I think.
- Alot of support material remains ... you can see some still stuck onto one of the blades in the 4th picture...
- You can actually notice the 'print lines' that mark the pieces.

Things I should say :-
Sorry to Shapeways if it was annoying to print out 2*24 pieces of very very very small parts that didn't earn much money Sad Sorry. I printed double in case the really thin (0.25mm?) pieces didn't work out.

index.php?t=getfile&id=144&private=0

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[Updated on: Fri, 31 October 2008 06:32 UTC]

Re: My Iris! My Eyes...no my eyes! [message #1843 is a reply to message #1842 ] Fri, 31 October 2008 06:22 UTC Go to previous messageGo to next message
avatar madox  is currently offline madox
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[Updated on: Fri, 31 October 2008 06:22 UTC]

Re: My Iris! My Eyes...no my eyes! [message #1844 is a reply to message #1842 ] Fri, 31 October 2008 06:23 UTC Go to previous messageGo to next message
avatar madox  is currently offline madox
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[Updated on: Fri, 31 October 2008 06:23 UTC]

Re: My Iris! My Eyes...no my eyes! [message #1845 is a reply to message #1842 ] Fri, 31 October 2008 06:24 UTC Go to previous messageGo to next message
avatar madox  is currently offline madox
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[Updated on: Fri, 31 October 2008 06:24 UTC]

Re: My Iris! My Eyes...no my eyes! [message #1846 is a reply to message #1842 ] Fri, 31 October 2008 07:02 UTC Go to previous messageGo to next message
avatar madox  is currently offline madox
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Pre-empting questions on "WTF is this thing?"...

Its a 'large' mechanical iris diaphragm that 'opens' and 'closes' as the outer ring is rotated around the inner ring.

Here is a photo of it 'almost closed' showing the translucency of the blade detail material. Doesn't make a real effective iris to shut out light does it?

index.php?t=getfile&id=149&private=0

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[Updated on: Fri, 31 October 2008 07:04 UTC]

Re: My Iris! My Eyes...no my eyes! [message #1847 is a reply to message #1842 ] Fri, 31 October 2008 07:05 UTC Go to previous messageGo to next message
avatar madox  is currently offline madox
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This photo shows the 'trying to pretend to be star-gate' attempt Wink

index.php?t=getfile&id=150&private=0

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[Updated on: Fri, 31 October 2008 07:05 UTC]

Re: My Iris! My Eyes...no my eyes! [message #1851 is a reply to message #1842 ] Fri, 31 October 2008 12:39 UTC Go to previous messageGo to next message
avatar aws357  is currently offline aws357
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Laughing The more things I see printed, the more in awe I am...

Very Happy Although plastic seems to lack precision for a piece like a diaphragm...

Rolling Eyes These are indeed interesting times...

Re: My Iris! My Eyes...no my eyes! [message #1853 is a reply to message #1842 ] Fri, 31 October 2008 12:46 UTC Go to previous messageGo to next message
avatar Dalhimar  is currently offline Dalhimar
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Lookes awsome! any chance on a short vid showing how smooth it closes?
and also, did you base this off of a conventional iris used in things like kerosene heaters or stargate? =P
Re: My Iris! My Eyes...no my eyes! [message #1999 is a reply to message #1847 ] Wed, 12 November 2008 23:56 UTC Go to previous messageGo to next message
avatar pzich  is currently offline pzich
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That is really cool. How did you go about making this?
Re: My Iris! My Eyes...no my eyes! [message #2019 is a reply to message #1999 ] Sat, 15 November 2008 13:40 UTC Go to previous messageGo to next message
avatar madox  is currently offline madox
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pzich wrote on Wed, 12 November 2008 18:56

That is really cool. How did you go about making this?


I did a little writeup of it today here :-
http://www.madox.net/blog/?p=8

Yes little 1mm diameter pins break off rather easily as I've found out the hard way Smile

I'll try capture a video as soon as I put the spare blades on Smile
Re: My Iris! My Eyes...no my eyes! [message #2023 is a reply to message #1842 ] Mon, 17 November 2008 10:15 UTC Go to previous message
avatar aws357  is currently offline aws357
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Very Happy Don't know what is more frightening...

The patience you took to model this, or the SG fanatism (no seriously you really counted the 20 blades? )

Rolling Eyes awaiting this video...

 
   
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