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  • FIRST POST
    • Shenyee
    • By Shenyee 5th Dec 17, 3:49 AM
    • 3Posts
    • 0Thanks
    Shenyee
    DIY a small light pipe
    • #1
    • 5th Dec 17, 3:49 AM
    DIY a small light pipe 5th Dec 17 at 3:49 AM
    Hello, I want to DIY a small light pipe.

    I need a small (3 cm), 90° angled lightpipe to redirect a 0.5cm LED.

    I'm looking for a DIY solution using common materials I already have at home. (Even if it won't redirect all the light it is still OK).
Page 1
    • FreeBear
    • By FreeBear 5th Dec 17, 11:22 AM
    • 1,394 Posts
    • 1,994 Thanks
    FreeBear
    • #2
    • 5th Dec 17, 11:22 AM
    • #2
    • 5th Dec 17, 11:22 AM
    Is that 30mm diameter, or 30mm length ?

    If the latter, I'd suggest a length of clear acrylic rod and a heat gun to gently warm it up to put the bend in. Acrylic rod can be purchased easily enough from ebay or from a local sign maker and works very well as a light pipe - I made something very similar, but cut from a sheet (the edges needed to be well polished afterwards...).

    Another alternative is a bundle of fibre optic cable - Somewhere like Maplin might stock the stuff. Also have a feeling that I've seen a bendy light pipe in one of their shops...
    Last edited by FreeBear; 05-12-2017 at 11:27 AM.
    Her courage will change the world.

    Treasure the moments that you have. Savour them for as long as you can for they will never come back again.
    • getmore4less
    • By getmore4less 5th Dec 17, 3:15 PM
    • 30,737 Posts
    • 18,367 Thanks
    getmore4less
    • #3
    • 5th Dec 17, 3:15 PM
    • #3
    • 5th Dec 17, 3:15 PM
    if it was 4cm that's toilet rolls lined with foil.

    you could cut them down to 3cm.

    all you need is something to make a form and glue the foil to it.
    • Shenyee
    • By Shenyee 6th Dec 17, 1:53 AM
    • 3 Posts
    • 0 Thanks
    Shenyee
    • #4
    • 6th Dec 17, 1:53 AM
    • #4
    • 6th Dec 17, 1:53 AM
    Is that 30mm diameter, or 30mm length ?
    Originally posted by FreeBear
    Hey, it's 30mm length. And thanks for your suggestion, I'll try it today.
    • Shenyee
    • By Shenyee 6th Dec 17, 1:57 AM
    • 3 Posts
    • 0 Thanks
    Shenyee
    • #5
    • 6th Dec 17, 1:57 AM
    • #5
    • 6th Dec 17, 1:57 AM
    if it was 4cm that's toilet rolls lined with foil.

    you could cut them down to 3cm.

    all you need is something to make a form and glue the foil to it.
    Originally posted by getmore4less
    Just like FreeBear said right? Thanks for your answer~
    • getmore4less
    • By getmore4less 6th Dec 17, 4:40 AM
    • 30,737 Posts
    • 18,367 Thanks
    getmore4less
    • #6
    • 6th Dec 17, 4:40 AM
    • #6
    • 6th Dec 17, 4:40 AM
    for a very short 90° turn a mirror or prism are often used..
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