A very time consuming project. Neon glow lights.
Added 2020-02-06 10:15:08 +0000 UTCThis seemed like such a good idea until I started putting it together. It makes me appreciate how much work is involved in manufacturing the rugged rubber cable, resin potted municipal light strings.
In hindsight I wonder how well this would work with light-cured resin. It could allow easy and fast curing with a violet laser pen.
The end result is more of a novelty than anything else and is firmly in the category of an unusual project that had to be tried.
Comments
I've been able to use disposable plastic syringes with epoxy, very similar to this resin - I know they're available in many different sizes from your favorite online retailer. Perhaps give one of them a go? :)
2020-06-12 08:38:06 +0000 UTCI think some glues absorb moisture. The application also requires that the potting medium flows round the resistors and leads to fill all voids against moisture ingress.
Big Clive
2020-02-15 11:15:09 +0000 UTCCould you use a hot glue gun instead? Feels like it would be easier/faster.
David Glover-Aoki
2020-02-15 05:47:07 +0000 UTCWhy not hot glue using a gun with a long nozzle? Put the lamp inside then add hot glue. I've 3D Printed lightsaber parts in PLA and used hot glue to pot components in them.
2020-02-14 06:28:41 +0000 UTCYou could 3d-print a dedicated holder-upper for supporting a number of fairy-lights while the resin dries.. Did you think about using UV-setting resin??
Gordo
2020-02-12 21:17:53 +0000 UTCBattery, resistor, fancy connector. Can't imagine much else in there.
Mike Cowen
2020-02-07 09:47:11 +0000 UTCCan you get the epoxy with built-in mixing nozzles in the UK? It's the same basic dispenser setup with the two plungers for resin and hardener, but with a nozzle that mixes them thoroughly so you can just squirt it where you want it. I find it works quite well. This is the kind I can get easily here in the USA: https://www.loctiteproducts.com/en/products/build/epoxies/loctite_epoxy_instantmix5minute.html
John Hiesey
2020-02-07 04:25:23 +0000 UTCIf you printed with PETG and used a low temp glue gun you could speed up assembly a bit. depending on how hot the resistors will get in operation.
mickey gauld
2020-02-07 04:02:43 +0000 UTCThe openscad script is in the description. If you copy and paste it into openscad it will create an STL file for printing.
Big Clive
2020-02-07 03:28:26 +0000 UTCDid you post the STL files for the ornaments somewhere? The floodlight shaped one would make a very good model railroad street lamp!
George Cohn
2020-02-07 03:25:54 +0000 UTCSo cool! Makes me wish i had the proper gear!
Michael Thompson
2020-02-07 03:09:27 +0000 UTCHow about a clip where you disassemble your LED tester? I'm curious and too cheap to buy one.
Chuck Kirchner
2020-02-07 00:25:32 +0000 UTCyou would need to make sure all the resin has hardened because if there is still uncured liquid resin left inside then it will offgass and blow the printed part apart as many people are finding a few months down the line when they open a box of previously printed (some hollowed but incorrectly cleaned) prints to find them destroyed, blown apart or just cracked to bits.
2020-02-06 22:16:31 +0000 UTCYou should really consider a resin 3D printer like the Elegoo Mars. Since the resin cures with UV, it lasts well outside. Also, since the resin is UV cured, you can suck up some resin from the tank and squirt it in the back of the LED and cure the whole thing in 10 seconds with a UV LED torch.
evilution
2020-02-06 13:42:17 +0000 UTCThe plastic shot glasses are common, so I'd guess they'll be on eBay. You can get fluorescent green filament.
Big Clive
2020-02-06 11:56:31 +0000 UTCUnfortunately, if you use it half you resin stays in the nozzle. Very wasteful if you only need a bit
Neil Tonks
2020-02-06 11:49:52 +0000 UTCNo need for a fancy automatic nozzle. Just use something like https://www.amazon.co.uk/dp/B00BM3IPZQ
adrian
2020-02-06 10:40:14 +0000 UTCIt would be nice if you could print in the same fluorescent green as the shot glass. The shot glass might work too. Are they eBay items?
Mike Cowen
2020-02-06 10:39:36 +0000 UTCI like the idea of doing it with LEDs
Neil Tonks
2020-02-06 10:34:46 +0000 UTC
