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Woot woot… vids are up… take a look and let me know what you think…
Posted: 30 July 2008 05:42 PM   [ Ignore ]
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still a bit of work to go.. but functional eneough for now

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Posted: 30 July 2008 07:17 PM   [ Ignore ]   [ # 1 ]
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That’s awesome.  Way to get the rig runnin!

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Posted: 30 July 2008 09:15 PM   [ Ignore ]   [ # 2 ]
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Looks really great. How long did it take you to build it?

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Posted: 31 July 2008 01:26 AM   [ Ignore ]   [ # 3 ]
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Congratulations Zin, looking good.

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Posted: 31 July 2008 05:48 AM   [ Ignore ]   [ # 4 ]
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it took about a month… most of which was waiting for a supply of film to come in… actual construction and setup other than waiting was a weekend project… oh and i’ve got a new suggestion for a compliant surface ( or one i haven’t seen yet )… cheapest i’ve found as well… Tissue paper.. normal… off the dollar rack tissue paper… normally found near the gift wrapping items are....

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Posted: 31 July 2008 06:56 AM   [ Ignore ]   [ # 5 ]
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wow… thats really good if i had a screen i would try it out… let me know how your screen turns out! Are you just putting tissue paper on the surface, how does the texture feal? Do u think that it would be possible to use Tinkerman silicones vellum design? Maybe putting a few more sheets and putting a textured silicone on them. Nice work...It looks really goodsmile

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Posted: 31 July 2008 11:13 AM   [ Ignore ]   [ # 6 ]
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what i’ve done is put a single issue of tissue paper between two pieces of acrylic.. ( had two of em.. might as well use em… ) and i have the one facing me slightly offset so i could attach my ir channel.. the wonder of my setup is i’m only using 6 ir led’s… and still getting VERY bright blobs…

projector & cam
(ir blob)
-----------------------------------
acrylic
-----------------------------------
tissue paper
[[[[---------------------------------
ir channel and acrylic
[[[[---------------------------------
(finger press)

( sorry for the SWEET graphics… but i just woke up… )

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Posted: 31 July 2008 12:03 PM   [ Ignore ]   [ # 7 ]
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lol nice work

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Posted: 31 July 2008 04:35 PM   [ Ignore ]   [ # 8 ]
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that is very good graphic lol smile… Its alright i get the picture. So you are also using the tissue paper as a compliant surface along as a defuser . I did not see a layer for the tissue paper(compliant surface in your nice diagram. I get the idea though nice work looks really great. - if you have the acrylic you might as well use it yeah lol…

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Posted: 31 July 2008 04:47 PM   [ Ignore ]   [ # 9 ]
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Zin - 31 July 2008 11:13 AM

what i’ve done is put a single issue of tissue paper between two pieces of acrylic.. ( had two of em.. might as well use em… ) and i have the one facing me slightly offset so i could attach my ir channel.. the wonder of my setup is i’m only using 6 ir led’s… and still getting VERY bright blobs…

projector & cam
(ir blob)
-----------------------------------
acrylic
-----------------------------------
tissue paper
[[[[---------------------------------
ir channel and acrylic
[[[[---------------------------------
(finger press)

( sorry for the SWEET graphics… but i just woke up… )

Great setup Zin!

I’m not sure I understand your graphic heh. Are you putting the tissue paper below the acrylic and in between the 2 layers of acrylic? If so and you’re touching acrylic directly, than you’re actually not using a compliant surface at all. Instead, it would mean you’re using the tissue paper as a projection/diffuser surface. I’ve tried tissue paper a long time ago and it never did anything for me as any kind of compliant surface. =\

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Posted: 31 July 2008 06:04 PM   [ Ignore ]   [ # 10 ]
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Sorry i meant to ask if you are using tissue paper on top of the acrylic surface. Maybe i should have asked that before i jumped to any conclusions. I just assumed that you had left out the tissue paper on your detailed diagram lol.  If i had a table i may be able to tell exactly if some designs work or not.  I guess it is not to late to ask if you are useing the tissue paper on top of the surface? Kind of like a silicone surface. because if the tissue paper is between the acrylic it is a diffuser. Acting as a projector surface. Basically a compliant surface is just what cerupcat had said.

“If so and you’re touching acrylic directly, than you’re actually not using a compliant surface at all. Instead, it would mean you’re using the tissue paper as a projection/diffuser surface.”

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Posted: 31 July 2008 09:36 PM   [ Ignore ]   [ # 11 ]
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Sorry for the wrong term… I correct myself… Its not a compliant surface… But as cerup said… A diffuser.... And in my experiments a few ... 2 to 4 layers of tissue paper between the acrylic sheets work as a wonderful projection surface while allowing for clear, very bright blobs… But i do have a few ideas i will be posting up in a new post reguarding a non ir setup using a bit of different physics…

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Posted: 31 July 2008 10:18 PM   [ Ignore ]   [ # 12 ]
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Nice work zin! smile

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Blobs the likes of which even the Gods have not seen!

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Posted: 31 July 2008 11:48 PM   [ Ignore ]   [ # 13 ]
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Keep up the good work Zin, looks great grin

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Posted: 05 August 2008 04:31 PM   [ Ignore ]   [ # 14 ]
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Again it Looks really great!! smile everytime that i go on to this post i cant help but watch your video over and over again. Looking forward to more. I will keep an eye out! :D

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Posted: 05 August 2008 11:21 PM   [ Ignore ]   [ # 15 ]
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So, you’re generating smooth blobs by touching acrylic alone without a complaint surface?  How hard are you pressing?

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