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Discussion Starter #1
Hello All,

I am a bit of a newbie when it comes to lighting, but I would really like to project the image of the dark mark on a blank wall for my Harry Potter 2017 Halloween Bash.

Anyone have any ideas how I could get started? I was thinking getting a clear landscape light and painting it on the lens, has anyone tried that before?

Thanks in advanced

darkmark.jpg
 

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You could probably print it out on a transparency type film with your printer and attach it to a bright led spot light. might have to paint over it to make it dark enough. hmm i might have to tinker with this and see how it comes out. This is somewhat the same idea of those film projector things there selling this year. i would go take a look at the one spirit is selling. it projects really well i was impressed. I believe the skull it uses is just a transparency in front of a led. Leds don't get as hot as other types of bulbs so that's why i recommend led.
 

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I tried an old LED Christmas spotlight I had and it was a no-go. Too much light diffused and "leaked" through a sharpie, also tried black electrical tape.

I think instead of projecting I might try to make a rudimentary shadow box, that seems to work a little better
 

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I used an old overhead projector, the kind use in schools to write on, and projected a skull on some skim that was hung between trees. It came out great and was very easy to set up.
 

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To get the projection clear and sharp, you need a spotlight. Normal light bulbs and floodlights have too scattered a beam of light.

Here's a cheap option called a pinspot:
http://www.musiciansfriend.com/pro-audio/american-dj-pl-1000-par-36-pinspot/803205000000000?rNtt=pinspot&index=4#

And here's the LED version:
http://www.musiciansfriend.com/pro-audio/chauvet-dj-led-pinspot-2-spot-light/485506000000000?rNtt=pinspot&index=3

They're bright enough to locate the light nice and far away, to get a big image on the wall. You can go to Lowe's and get this black stove pipe:
https://www.lowes.com/pd/IMPERIAL-24-in-L-x-6-in-Dia-Black-Single-wall-Steel-Stove-Pipe/3462750

Then you mount the pinspot at one end, and your Black Mark at the other end. Use some aluminum tape like this to seal it up and stay watertight:
https://www.lowes.com/pd/3M-1-88-in-W-x-150-ft-L-HVAC-Tape/4009603

Then hide this up a tree! Use a dimmer switch on the regular bulb version of the pinspot and you'll be able to get it soft and barely noticeable or blast it full brightness!
 

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Discussion Starter #7
Thank you, I'll keep that in mind for future projects. The shadowbox definitely won't work outside of a small area like the stairwell, that setup looks great though!
 

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Might also suggest investing in a cheap LED projector (i.e. home depot variety) with a usb/SD card reader and project the image. Projectors like that usually have a tripod mount and you could use a variety of options like the gorilla tripod to secure it somewhere aimed at that wall. It's a slippery slope but digital decorations are becoming more and more popular and you will find lots of uses for them, by slippery slope I mean I'm now up to 5 projectors......
 

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Yeah you can get a projector off Woot! every once in a while for less than 100 bucks. Gives you all kinds of options and flexibility.
 
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