[Acer H5360] My 100" DIY grey screen - AVS Forum
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post #1 of 20 Old 01-17-2012, 07:01 PM - Thread Starter
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I am a 1st time projector owner. I'm starting this project for 3D computer gaming, and a small amount of movie watching (proabaly 90/10 split).

The room is about 12ft x 18ft and I'm oriented the wrong way, so maximum throw is 11.4ft (to the lense), and that is where I've ceiling mounted the H5360. This gives me about 90-100" based on the zoom level. The room is not light controlled, and I'll have a moderated degree of diffussed natural light coming in from the back wall (rice paper wall....I'm in Japan). So, I chose a grey material to get better contrast. I'll be sitting as close as possible, probably about 7ft away.

I have not done very much research on DIY screen. Just read a few others build logs, and read through the sticky pretty quick and then went off to order some materials to get started.

This is the grey blackout fabric I ordered, I'm not planning to paint as I don't speak/read Japanese, and finding the correct paint would be an excercise in futility.

I also ordered this black felt totally blind....after reading a bit, I have serious doubts as to how good it will be, so I'll report back about it later.

My biggest question right now is about the framing for the screen, making sure I measure things properly and that I get the screen tight and flat. Any tips?
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post #2 of 20 Old 01-18-2012, 02:14 AM - Thread Starter
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These are some shots of the room in progress...

I was planning to mount the projector with a store bought mount, but after I realized how simply I could make one, I did that instead.



Only needed a single screw....this puts the lens at 11.4" from the screen.



The setup is mostly for gaming, so I've got my computer desk centered on the screen at the moment. I'm using a bed sheet to get this lined up right now. The center speaker is intruding on the screen real estate with the image zoomed to the smaller size, but the screen will be positioned slightly lower when I finalize, so its a temporary problem. Lights on:



Lights off:



And here are a couple image quality screenshots:



This one shows minimum zoom for a 16x9 size of about 90"



And this one with the zoom maxed at about 103" (from the same camera perspective).



If you're curious about the red LEDs in my desk, thats my custom computer I just finished a few months ago....I published a build log here
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post #3 of 20 Old 01-18-2012, 08:19 AM
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Nice man, Just read that blog about that build the other day. You get you new EK blocks back yet? Not that you need more then one 580gtx to run that projector . I'm about to build a screen similer to what you are doing. I'm going to use Base board molding and spray it with fabric glue to atach the velvet to it. Going to probaly use 2x1's to brace the back of the base board molding. Alot of people just use a staple gun to atach the black out cloth to the back of the frame. Not sure how well that Felt is going to work as it's falt and really going to break up the light from the projector.

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post #4 of 20 Old 01-18-2012, 07:25 PM - Thread Starter
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Yeah, I finally got the new EK blocks back last week....I've only re-installed 1 of them though because of the new monitor situation....I doubt I'll need to go back to tri-SLI for now....but I'm thinking of adding two more H5360s later for surround 3D...then the other 2 580s would probably help a bit

The fabric should arrive within the next week, and I already bought some wood for the frame (in the 3rd picture on the ledge below the bed sheet). So I'll update soon.
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post #5 of 20 Old 01-19-2012, 09:01 AM
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http://scalabledisplay.com/node/556?size=preview

This is what you need .. There is a video of this setup. It's killer I just can't find the video. There using 4 projectors but you can use 3. Since you have the room you could do it with your setup. Just need a curved screen. I was thinking about getting a screen out of a big broken rear projection tv and cutting it down to the size you would need to get the 3 projector's lined up and build a curved box for it to sit on your desk. Think it would be killer for gaming.

Found an ok video of it. http://www.youtube.com/watch?v=5nYiFdulGj8

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post #6 of 20 Old 01-23-2012, 11:17 AM - Thread Starter
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Well, I got my fabric in today and I'm very pleased with the results. The screen turned out to be 100", and the projected image is about 98"....so just about perfect.

I have to make a correction, the felt was purchased to make a boarder, not masking as I previously reported.

I'll post up some pictures of the build process tomorrow, I'm at work now.
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post #7 of 20 Old 01-23-2012, 02:18 PM
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Cool can't wait to see it.

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post #8 of 20 Old 01-24-2012, 06:04 AM - Thread Starter
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I started by building a 30mmx40mm wooden frame



Then wrapped the grey blackout cloth linked earlier around the frame and stapled it into the inside of the frame.



Then trimmed off the excess.



Then I took the black felt and stapled it into the back of the frame.



This is how it looks now, I have plenty of excess around the edges which I'm planning to frame into my windows frame area, but I'm still trying to decide how best to build that part, I'll update later.



After that, I cleaned and ironed the front side. Here are a few screenshots.









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post #9 of 20 Old 01-24-2012, 07:26 AM
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Very nice "in the Dark" imagery.

Lack of Gain and depth of grey hue on the BOC make high ambient light viewing a bit less than desirable though.

To quote James T. Kirk;
"I'm laughing at the superior intellect"

http://www.invisiblestereo.com
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post #10 of 20 Old 01-24-2012, 08:11 AM - Thread Starter
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Thanks MM and I agree....that was with my room lighting on full blast. I was showing that photo more for screen/boarder layout than image quality. I would never use the screen with my lights on.

Although I did try it during the day today, and the ambient light coming in the wall behind me was not enough to wash out the display more than 5 or 10%....so I think it'll be perfectly acceptable for daytime use
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post #11 of 20 Old 01-24-2012, 09:33 AM
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i do see all the +'s and -'s of a BOC white screen present.
on the scenery images...quite good.
on the how to train a dragon images... loss of black level detail really stands out.

i do most of my test vs BOC and white melamie screens... and for good reason... to test white levels, light color tones (especially yellows), and flesh tones.
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post #12 of 20 Old 01-24-2012, 10:46 PM - Thread Starter
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Thanks for the honest assessment pb_maxxx.....I'm glad to hear that I'm getting expected (not worse than expected) results I wasn't expecting any miracles, and I'm no videophile, but I'm pretty happy with it from my untrained eyes....which I suppose is the most important part. Cheers
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post #13 of 20 Old 01-25-2012, 07:50 PM - Thread Starter
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So, this is the last step I did the other day that I forgot to get a picture of. This is how I was able to position the screen in the right position on the window sill.



Today, I used some extra wood I had to build simple frames on the outer braces.




Then I wrapped the felt around to the back side, and secured it with staples.


Unfortunately, I bought only 3 yards, I probably should have bought four so I could put a bouble layer on both sides....But I was only able to doulble up the left side, the right side leaks a small amout of light.....but its not enough to be a major issue. I'll have to fix it later.

Here, I've fitted the screen back into the window sill....fit like a glove, and looks very nice for about $80 total
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post #14 of 20 Old 01-26-2012, 01:25 AM
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I agree....looks very sharp.

To quote James T. Kirk;
"I'm laughing at the superior intellect"

http://www.invisiblestereo.com
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post #15 of 20 Old 01-28-2012, 12:23 AM - Thread Starter
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Thanks MM....I've been playing Batman Arkham City in 3D all day....its very nice with my 7.1 surround sound Nothing super fancy, but a pretty sweet setup for PC gaming 1080p 3D projectors cannot arrive soone enough
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post #16 of 20 Old 02-20-2012, 12:20 AM
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Holy begeezus.....that. is. awesome. !

In terms of LFE, size does matter!
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post #17 of 20 Old 02-20-2012, 12:26 AM
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Very nice!! I've decided to sell mine because i can't get a room that's dark enough. Back to plasma it is for me. /jealousy

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post #18 of 20 Old 02-20-2012, 08:22 AM
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Quote:


Kingcarcas;
...Back to plasma it is for me. /jealousy

ahhh... that's what silver fire is for... for folks who love the black levels, color contrast, and depth of plasma... BOC just isn't able to cut it even in a bat cave.
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post #19 of 20 Old 02-20-2012, 08:33 AM
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Here is what I used. You can buy it at Menards.

You can use any solid back brace with gaps.

It's 72" x 120" solid sheet of vinyl so it's great for a BIG screen, without having to splice base pieces together and sand and fill gaps and all that other boring stuff.

You just lay this stuff over the top of it, and glue or nail it down.

then take a hair dryer and it tightens up nice.

Then prime it, and paint SF right on top of it.

$20.
LL
LL
LL
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post #20 of 20 Old 02-21-2012, 09:19 PM - Thread Starter
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Quote:
Originally Posted by Favelle View Post

Holy begeezus.....that. is. awesome. !

Thanks, I've been super happy with it

Quote:
Originally Posted by Kingcarcas View Post

Very nice!! I've decided to sell mine because i can't get a room that's dark enough. Back to plasma it is for me. /jealousy

Bummer...did you use grey BOC?

Quote:
Originally Posted by pb_maxxx View Post

ahhh... that's what silver fire is for... for folks who love the black levels, color contrast, and depth of plasma... BOC just isn't able to cut it even in a bat cave.

I'm planning to do the full shebang when I move back to the states and I can get my hands on some paint (someday ).

Quote:
Originally Posted by kthejoker20 View Post

Here is what I used. You can buy it at Menards.

You can use any solid back brace with gaps.

It's 72" x 120" solid sheet of vinyl so it's great for a BIG screen, without having to splice base pieces together and sand and fill gaps and all that other boring stuff.

You just lay this stuff over the top of it, and glue or nail it down.

then take a hair dryer and it tightens up nice.

Then prime it, and paint SF right on top of it.

$20.

Very cool
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