Thread: Some kind of plastic needed
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07-04-2013 #21
MC,
Only just got round to reading this thread and I may be able to help.
A few years ago i built a Shumatech DRO system which uses red LED's but in bright light you see all the variation on the led display so a 6 looks a lot like an 8.
Some one posted a link to some red film that once put over the display made it clearer.
As I couldn't get any of this film, it was US sourced I tried using some clear OHP inkjet projection film printed solid red and it worked.
Perhaps given the price of OHP film being low you could experiment with various colours ??John S -
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07-04-2013 #22
Could try theatre colour filter, gel, not self adhesive though , sandwiching in between 2 layers of clear acrylic works at a push.
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07-04-2013 #23
This stuff might work
FILTER GEL SHEET 48 X 21 STAGE LIGHTING VARIOUS COLOURS | eBay
If not you could always try rear projection film, that will definitely work.
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07-04-2013 #24
I think I may have some OHP sheets around somewhere. I'm currently wondering if a layer of vinyl, then a more opaque frosted perspex would work better, as I've just been doing some searching, and it seems frosted vinyl only comes in light/pale colours.
One goal I want is an anti-glare finish, which is best acheived with a dark satin/matt/frost finish.
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08-04-2013 #25
Either matt or translucent vinyl would do you, no need for frosted acrylic
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08-04-2013 #26
Just a thought as I was sitting here this morning. Is it just the glare that is causing problems? If so have you tried a clear matt laminate? Clear laminates are used over digital prints for a number of different reasons, they are basically a clear vinyl but available in gloss, Matt, satin & crystal finishes.
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08-04-2013 #27
Have you tried sheetplastic.co.uk - they cut to size. You can always phone or email for a price.
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