![]() These items contain phosphorescent materials that absorb light energy and then emit a soft glow when the room is dark. There are various materials and products available that can help you achieve this effect, such as glow-in-the-dark paint, stickers, and decorations. Summary: Creating a glow-in-the-dark room can add a fun and magical atmosphere to your living space. This blog post will give information and some tips to make your room glow without spending lot of money or time on it! Of course, there are many ways you can make your space uniquely yours, but one way that has been trending nowadays is how to make your room glow in the dark! If you only want to print a little glow-in-the-dark and don’t want to change nozzles, the dasFilament PLA is a great choice.In the world of Instagram and Pinterest, it seems like everyone is trying to create their own paradise in their homes. Just consider that it will kill your nozzles! Amolens sparkly green filament wasn’t bright but looks really nice in person. Colorfabbs GlowFill looks, in my opinion, the best with its opaque finish and the slight speckles when it glows while still lasting very long. If glow intensity is what you’re looking for, get the one from Overture. So with all these investigations, what can I say about the materials I tested? Green glows the brightest, blue is a little worse, and red is only for people that like to smell their farts. The glow-in-the-dark filament that won, was Overtures Green Glowing PLA, which was the brightest and, even after 10 hours, was still noticeably glowing. 4 of the 5 green filaments were very close, with dasFilament in position 5, Amolen in 4, Nobufil in 3, and Colorfab GlowFill came in second best. Both it and the one from Amolen glowed over 8 hours, but the one from Nobufil was just a bit brighter. From the two blue glow-in-the-dark filaments, the Nobufil was the winner. Then came Tronxy’s Rainbow Filament, which also didn’t shine detectably anymore after 4 hours. Next came the sparkly green PLA from Amolen that didn’t really shine noticeably anymore after 2.5h, yet you will still be able to see very dim speckles in the material from up close. R3D Red was the worst and didn’t shine any longer than 30 minutes. But which of the 10 filaments did perform the best, now? Let’s go through the decay curves. The red filament was the darkest because it probably still uses one of the older-generation Calcium Sulfide phosphors. The brightest are the green glow-in-the-dark filaments, the next ones are the blue-glowing ones plus the sparkly green and rainbow filament. What we can also see is that we have three brightness groups. This sounds horrible, but since our eyes adjust to the darkness, the samples still appear very bright after several hours in a bedroom, for example. Finally, I wanted to see how different glow-in-the-dark filaments wear out your nozzle because, if you didn’t know, it’s worse than most fiber-reinforced materials, but there can be significant differences between brands! I even had to place the filament spool on the top of my Voron 2.4 because some materials had such a rough surface that they didn’t properly feed through the bowden tube. With my selection of glow-in-the-dark filaments, I wanted to test four things: How do the prints look in daylight and at night, which I tested with a 3DBenchy? Then I wanted to find out how thick you have to print to get the full glow potential, for which I printed stepped test samples and, of course, which one glows the brightest and the longest, for which I printed thick samples and then filmed them for a whole night. The two blue materials were from Amolen and, again, the Austrian Nobufil. ![]() The green glowing materials were from Colorfabb with their Glowfill, Overture, Amolen with a normal green and its shiny green, as well as dasFilament and Nobufil green glowing PETG. You’re welcome! Besides the glowing red material, I also tested the two more popular colors, green and blue, plus this Rainbow filament from TRONXY. ![]() Yet, I took one for the team and tested it for you. It smells so much, where “only use in a well-ventilated area” will be followed. This is R3Ds Ultraglow Red, and when I open the case, I almost have to puke because it seriously smells like rotten eggs. This box contains the most nasty and disgusting filament I’ve ever used. I’m quite sure that most of the filaments I tested used Strontium Aluminate for their glow, yet one roll stood significantly out. In the past, zink sulfide was used for that purpose, yet nowadays, most glow-in-the-dark pigments contain strontium aluminate, which glows by an order of magnitude longer and brighter, is non-toxic and can basically be recharged indefinitely.
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