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3D print led diffuser
Reddit - Dive into anything
I've googled around and made a couple experiments and here's what I've found.
Point-ish powerful sources (e.g. a flashlight)
Apparently the easiest option is to just use plain white filament in a thin-ish layer and accept that tons of light will be lost. Best authority I've found is /u/ChickenPicture who designed a ton of flashlight diffusers with white filament https://www.thingiverse.com/ChickenPicture/designs and posted about their design (check their post history)
Slight diffusion which leaves single LEDs visible
An example: https://www.reddit.com/r/3Dprinting/comments/5e69v8/transparent_filament_makes_for_a_perfect_led/
Printing transparent PETG on "normal" settings (so no hot-and-thin overextrusion to make it more transparent as in https://www.youtube.com/watch?v=QkfQri2B0PY) in multiple layers works for that because of all the bubbles of air trapped in, so the light gets diffused. Judging by the video, single LEDs are still pretty evident.
Diffusers that create evenly illuminated surfaces from point sources (e.g. LED stripes)
This is apparently the trickiest one. Nice examples that I found:
https://newscrewdriver.com/tag/glow-flow/ I'm not 100% sure, but it looks like it's white filament in single layers so it looses some light and might a bit fragile
https://hackaday.io/project/34274-atltvhead/log/159126-led-diffusion-log and https://www.youtube.com/watch?v=7Fr_Idwm-YI this looks like transparent PETG printed "normally" (so it's hazy) with tons of layers and structures inside to even the light out (here are some sections of the STEP files he kindly shared https://imgur.com/a/RMBtmyr)
Someone somewhere also mentioned using self-adhesive diffusing film, which might actually be a nice option to combine with clear PETG, using PETG just to provide structural strength.
I've also tried a few single or double perimeter towers in transparent PETG, here is what I've learned:
transparent PETG layers act as tiny lenses, so while it's possible to diffuse a wide-spaced LED strip with clear PETG with a wide standoff (like that: LED strip - a few mm - first layer of PETG - a cm or two - second layer of PETG) it diffuses it into an "image" of an even strip of light instead of a glowing surface (see an example here).
The effect disappears if layers are parallel to the strip (obviously in hindsight). It's pretty efficient though, those two layers don't cast much shadowsanding doesn't help much or I do it wrong, rough surface does soften the image of the line a bit but it's still there
So in the end it looks like there are two ends to this tradeoff: it's either white filament with nice diffusion, but low light efficiency and/or fragile parts (because they have to be thin to be adequately transparent), or transparent filament that seemingly can't diffuse properly without tons and tons of layers and internal structure (those transparent PETG light tubes are 12mm thick!). How can we try and push the boundary further? Any good guides on this?
Edit: according to this guy https://www.reddit.com/r/led/comments/awfqek/what_efficient_diffuser_do_you_recommend/ehqkibs/ purpose-made light diffusers are practically 100% efficient, so it is possible, the question is if it's possible with 3d printing.
▷ led diffuser 3d models 【 STLFinder 】
LED Diffuser
thingiverse
Diffuses light from LEDs.
LED-Diffuser
thingiverse
LED-Diffuser for 5mm and 3mm Standard LED tight version and normal version
led diffuser
grabcad
A LED-backlit LCD is a liquid-crystal display that uses LEDs for backlighting instead of traditional cold cathode fluorescent (CCFL) backlighting.[1] LED-backlit displays use the same TFT LCD (thin-film-transistor liquid-crystal display) technologies.
..
LED Diffuser
prusaprinters
I wanted a V-slot cover that could act as a diffuser for the LEDs I installed on my Ender 3 Pro. The original design fit in the v slot but wouldn't slide easily over the LEDs. Recommend PETG due to heat from LEDs. 15% infill used with 0.20 layer...
LED diffuser
thingiverse
LED diffuser created for my enclosure. 20 cm lenght. With holes for screws. Printed with transparent PETG. Cornesr must be printed with perimeters. ...
LED Diffuser
thingiverse
I wanted a V-slot cover that could act as a diffuser for the LEDs I installed on my Ender 3 Pro.
The original design fit in the v slot but wouldn't slide easily over the LEDs. Recommend PETG due to heat from LEDs. 15% infill used with 0.20 layer...
LED diffuser
thingiverse
These models are meant as LED diffusers for doll house lighting. I've fastened them in a DIY doll house by hot gluing magnets to the diffusers and hot gluing magnets into holes in the dollhouse which I've milled with a Dremel. These were printed...
LED Diffuser
thingiverse
An LED Diffuser designed to put the LED strip on a 45 degree angle and direct as much light toward the printer when used inside the IKEA Lack cabinet. The Prusa i3 MK3 is a 24v printer, so the LED strip used is 24v, but if you have a different.
..
LED Diffuser
thingiverse
Kelly wanted a printed LED diffuser at the NYCR hackathon and she gave me plenty of room to improvise. This is the result and I'm very happy with it. ... Instructions Print with natural / white ABS or...
LED Diffuser
prusaprinters
An LED Diffuser designed to put the LED strip on a 45 degree angle and direct as much light toward the printer when used inside the IKEA Lack cabinet. The Prusa i3 MK3 is a 24v printer, so the LED strip used is 24v, but if you have a different...
LED diffuser
pinshape
This is a simple diffuser that pops on top of the 5mm LED solderless holder made by roipoussiere (http://www.
thingiverse.com/thing:170562). Also pictured is an excellent design by Elwin (http://www.thingiverse.com/thing:597501) Please see...
LED diffuser
thingiverse
This is a simple diffuser that pops on top of the 5mm LED solderless holder made by roipoussiere (http://www.thingiverse.com/thing:170562). Also pictured is an excellent design by Elwin (http://www.thingiverse.com/thing:597501) Please see...
WS2812 LED diffuser
thingiverse
Simple diffuser for WS2812 LED.
RGB Led Diffuser
thingiverse
This is a diffuser for 5mm RGB Led Diode
5mm Led Diffuser
thingiverse
This fits a 5mm Led perfectly Transparent Filament should used Outside Diameter is only 12mm Check in the Thingview to see inside Website for configuring resistors for LED's for different power supply voltages LED calculator: current limiting.
..
Solidoodle Mk2 LED Diffuser
thingiverse
Snaps onto steel frame to diffuse the LED light strip's light
Led diffuser for extrusion
thingiverse
That's a fast printable led diffuser that can be easily scale for you need,
Ball 5mm LED Diffuser
thingiverse
Created an LED diffuser for a multicolour LED light. Edit it online https://www.tinkercad.com/things/5VRAGhcl5Jo Instructions Used a makerbot mini.
...5% fill, 3× shell and supports.
LED diffuser dome
thingiverse
These are for small LED 6V bulbs used in pinball machines. LED are very directional. To make the light more closely replace an incandescent bulb, I made this diffuser dome. ...It seems to work best with supports and a raft.
5mm LED Diffuser Cap
thingiverse
Ich habe mir für meinen Arduino Würfel Diffuser Caps gedruckt, diese lassen die Leuchtkraft der LEDs besser in alle Richtungen strahlen. Die Caps sind für 5mm LEDs geeignet. ... Viel Spaß beim nachdrucken :)
GU10 Spot LED Diffuser
thingiverse
After rigging up a bracket and wiring in the LED base I found the Spot LED to be intense, so designed this simple clip on Diffuser.
This may fit other GU10 LED bulbs but was specifically designed for product code RA3NHL3EBB.
WARNING: Do not use...
IKEA Romma LED Diffuser
thingiverse
This is small LED diffuser that can go into an unused hole in your IKEA Romma cable organizer. In my case, it's a container for raspberry pi and is used as stats light for this raspberry. This was designed with a ws2812 LED strip with 60 LEDs per...
5mm LED Diffuser
thingiverse
My little sister wanted some hemispherical LED diffusers for some 5mm LEDs. Here you go! Use a translucent filament, and reduce the infill as low as you want. She used a flat top LED, and put them around her mirror in her bedroom.
...Photos are by my...
5mm LED Diffuser
prusaprinters
... some hemispherical LED diffusers for some 5mm LEDs. ...Here you go!</p><p>Use a translucent filament, and reduce the infill as low as you want. She used a flat top LED, and put them around her mirror in her bedroom.Photos are by my father, Tom Wolf.
2020 LED Diffuser
thingiverse
LED diffuser for a 2020 slot. Covers the LED strip and helps to diffuse the light so I can monitor the status from a distance.
Works when printing in vase mode. Just scale up the Z axis to your desired size. ... My LED strip is flat and not covered..
.
LED Diffuser - Corner, dual
thingiverse
... that are far apart to diffuse the light a lot more smoothly. Offset the 2 LED strips so they'll create the illusion of a denser LED strip. I used dual-sided tape to put the channel in the corner first. ...The diffusers pop right in afterwards.
0805 SMD LED Diffuser
thingiverse
This is a 3mm x 3mm x 3mm diffuser meant to cap a 805 SMD LED (the cavity is in the bottom). I created this for the DangerousPrototypes ATX breakout board as I had it mounted upside-down in a spot where the LEDs were not readily visible. ...Using...
USB LED Diffuser
pinshape
Simple design, I used it to make an LED lamp/nightlight for my 3D printer & work station. ...Use Natural color filament, it is semi-transparent.
Flame LED Diffuser (5mm)
thingiverse
This fits on top of a 5mm LED. Print in clear PLA with 0% infill. ... Thanks to Mattias Selin for his flame design which was my starting point.
Raggio WS2812 LED Diffuser
thingiverse
A press-fit LED diffuser for your Raggio Lungo or Raggio Veloce. ...This piece fits into the bottom of the plate and holes 11 WS2812 LEDs, which you can program with your flight controller to have your favorite colors or patterns!
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