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DIY Rainbow Bridge LEDs help

AuriRGBlv147 месяцев назадAsk MFC
Hello everyone,
So as I'm obsessed with some of CLAMP's series, especially X, Tsubasa Chronicle and Card Captor Sakura, I'm trying to get some of the most important places of Tokyo seen in X. I already have a miniature Tokyo Tower and I'm planning on getting the Government Building. Now here's my problem: I'm trying to make the Rainbow Bridge by myself as there are no miniatures to be found online. This bridge isn't called "Rainbow" for no reason.

http://i65.tinypic.com/220rno.jpg

What I want to do, to achieve the rainbow look, is use tiny led strips. But I don't know where to start or if there are LEDs as small as I need them to be. I don't actually remember the measurements I thought of for it. If you want to calculate it yourself the actual brige is:
Total length: 798 m.
Width: 49 m.
Height: 126 m (towers), 52 m (roadway).

The scale I'd use would be 1/2000 so that it is the same as the Tokyo Tower and the Governement Building.

TL;DR: What's the smallest size for LED strips? How to achieve the rainbow look in the photo?
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EDIT: Thank you everyone who suggested something, as 4Arnd suggested optical fiber lamps, I looked some more into it and found optical fiber hair clips and as I wanted to be sure of which colours I would get and lamps usually have interchangeable colours, I'll be buying this:

http://i68.tinypic.com/a2vebm.jpg
1,069 просмотр. • 8 комментариев

8 комментариев

0pt
moonangelica (7 месяцев назад) #18544965Perhaps rather than lights try painting it instead? You can do some pretty cool things with gradients using a airbrush if you have one. And if not it takes a bit more work by hand but should still turn out good.
Yes, that would be my last option if I can't do the illumination. Thing is, the actual bridge is white with colored lights, I wanted to achieve something similar.
6 месяцев назад
0pt
4Arnd (6 месяцев назад) #18551898From the dimensions given, it will be quite tough to pull off to build from scratch, but not impossible. Depending on angle and with placement of some multi coloured LEDs underneath the model, you should be able to achieve a rainbow coloured effect with a fibre optic loom. There is something available to purchase for model kits, but with some DIY skills should be able to be done for more than one colour in order to achieve a result. www.smallscalel... - effectively some black heatshrink, hot melt glue and using fibre optics strands from a cheap fibre optic lamp or similar (ideal for "messing around"). With a bit of trial and error, I should imagine you may be able to use these fibre optic strands as support cables, breaking out the light shining part, so it illuminates in intervals onto the towers.
Wikipedia says that the towers supporting the bridge are white, illuminated in 3 different colours by night. en.wikipedia.or...


Yes, I know it's white and illuminated, that's why I wanted to do kind of the same thing! I looked up what you were talking about because I didn't know their name in english, but that's genius! Thank you, I will surely look for the lamps :D
6 месяцев назад
1pt
4ArndADMlv28 4ア一ンド
From the dimensions given, it will be quite tough to pull off to build from scratch, but not impossible. Depending on angle and with placement of some multi coloured LEDs underneath the model, you should be able to achieve a rainbow coloured effect with a fibre optic loom. There is something available to purchase for model kits, but with some DIY skills should be able to be done for more than one colour in order to achieve a result. www.smallscalel... - effectively some black heatshrink, hot melt glue and using fibre optics strands from a cheap fibre optic lamp or similar (ideal for "messing around"). With a bit of trial and error, I should imagine you may be able to use these fibre optic strands as support cables, breaking out the light shining part, so it illuminates in intervals onto the towers.

Wikipedia says that the towers supporting the bridge are white, illuminated in 3 different colours by night. en.wikipedia.or...
6 месяцев назад
0pt
Perhaps rather than lights try painting it instead? You can do some pretty cool things with gradients using a airbrush if you have one. And if not it takes a bit more work by hand but should still turn out good.
7 месяцев назад
0pt
Stalgonoff (7 месяцев назад) #18534839I'm afraid I can't be of much help here, but check out the DIY Nation club club/1348/discu... they have lots of tutorials that you might find useful. You could also ask there for specifics. Good luck!

I do know of that club, I don't know why I didn't think of it before, it doesn't seem active though? I'll ask anyway, thank you!
7 месяцев назад
0pt
I'm afraid I can't be of much help here, but check out the DIY Nation club club/1348/discu... they have lots of tutorials that you might find useful. You could also ask there for specifics. Good luck!
7 месяцев назад
0pt
kyoshinhei (7 месяцев назад) #18534615
Oh I get what you mean, but I was going to make it out of thin wood and the space in which the light reflects in the miniature is 5mm wide and 6cm tall! The bridge is in itself pretty tiny :o The actual bridge would be 2,45cm wide in the scale I decided to do.

EDIT: I will look more into the mini leds though! Thank you :D
7 месяцев назад
1pt
You could cast it in semi-transparent resin with RGB LEDs strips encased in it to glow from the inside. However this is probably extremely difficult to pull off.

I think your best bet is to do it the way it's actually done on the real thing. You make a white bridge and project the colors on it. Rather than using LED strips I suggest going for micro LED like these www.expressmode...
I would fit each LED inside a thin tube of paper or plastic in order to produce directed beams of light (in short: making mini spotlights) that I would orientate so that they reproduce the color gradient.
For example for the top part of the bridge I would use red yellow and green, the orange would be from the red and yellow intersecting.
You could either use LEDs that are the right color or use only white LEDs and put colored filters at the end of your "spots" to produce each tone.

Or may be even use one single powerful white LED, make a mini spotlight of wider angle and put a rainbow colored filter in front of it to project the gradient in one go.

Not sure if I'm explaining my vision very well ^^;
7 месяцев назад
Second hand waifus deserve a second chance at laifu!

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