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Yes it will be safe. Just check on it every so often.
If you're really worried. Which I wouldn't be. But some people are. You can buy a fire extinguisher ball and place one above the printer.
This item explodes when fire touches it and puts out large fires in enclosed spaces.
But again. I leave all my printers running for days at a time and they're fine.
Fillement is rather flamable, if your printer catches fire i am not sure how much cutting electricity gonna do. Right now i have an smokedetector installed near the printer, and an Fire extinquisher ball about 50 cm above the printer. Should a fire break out, the ball would explode and put out the fire.
You can find these balls at amazon.
AFO Automatic Fire Ball Extinguisher With Mounting Bracket ABC Fire Extinguisher, Fire Suppression Device, Fire Safety (TY-1350) [link]
Consider getting one of these. It’s pretty cheap insurance. I don’t know what the other commenters intentions or concerns lay. I’m just thinking about the fact that you’re inside some type of apartment complex, and if you’re shit does catch fire, it’s possible that some of your neighbors might lose their stuff and be displaced as well. And that ain’t cool growmie. Other than that, you’re setup is fuckin awesome
This is the reply I was looking for.
Amazon has them for not much money.
AFO Fire extinguisher ball on Amazon.
You can even buy them at Target or Walmart. Everywhere sells them
AFO Automatic Fire Ball Extinguisher With Mounting Bracket ABC Fire Extinguisher, Fire Suppression Device, Fire Safety [link]
I have a few of these setup next to every rig - [link]
rather have white extinguisher powder ruin a rig then my house burnt to ashes
Wood is flammable, yes, but so is nearly everything that you would use to make an enclosure. Unless you are going the expensive route and making an enclosure from solid metal with glass panels, you will always have a risk of fire; even then you will still have flammable filament near the enclosure and whatever wall you are bolting the enclosure to is likely also flammable. That being said, the risk of fire is low as long as you take moderate precautions to monitor the printer while it is on, activate all safety measures like min- and max- temp shutoff, and try to print only when you are home to keep an eye on it.
You can also get a smoke detector close to it and maybe add an automatic fire suppression device for extra safety.
I've heard of people mounting these above their printer. I haven't tried it, but supposedly if it detects a flame it will release a bunch of extinguisher and put out the fire. Kind of a last resort. I still agree with this comment that having a real extinguisher near the printer is extremely important.
I came here looking for this recommendation and to see if it was suggested. I’ve always wanted to suspend one of these above my 3D printer. And to the people doubting if fires happen or not, they do, they’re just uncommon but can be catastrophic. If there’s a cheap insurance to give someone peace of mind and it helps them sleep at night, then I think it’s worth it.
I have printers running 24/7, even though I’ve had one catch on fire before. You just need to have controls in place to mitigate the risk.
First, all of my firmware has thermal runaway protection enabled. So if specific temp/time requirements aren’t met, the printer halts and all heating components are shut off.
Each of my printers have a dedicated camera and raspberry pi running The Spaghetti Detective (TSD) that constantly analyzes the print for failure. In the event that a print begins to fail, TSD will halt all operations and send me notifications. The raspberry pis also allow me to remote monitor each machine, so I can check in at any time.
In addition to standard fire extinguishers located in each printing area, I have something similar to this mounted above each cluster of printers. This is kind of a last resort thing, in case all other safeguards fail.
Last but not least, I have smoke detectors mounted in the print areas. This is an absolute must in my opinion.
If you’re planning to run your printer unattended, please make sure you have a plan in place and practice safety above all else.
This^^ Also look into getting one of these to keep neat your printer as an added saftey net. A friend of mine lost their home from a printer fire a few years back and we all started using them.
I am partial to side facing, but that is more because I am constantly messing/changing out/moving my hardware around. However, if you are wall mounting it, most racks are designed to be mounted against the wall with the rear of rack facing, and may not be rigid enough to mount sideways; the outside part may sag. So for your application, I would say rear mount it, as long as you have enough ventilation for the fans to move that hot air away.
As for the Fire hazard, I would put one fire alarm sensor down there above the rack, or put one of those fire burst balls just in case. Fires do happen, even with high grade UPS systems, and having some detection/prevention I think is warranted.
There are several stories of UPS systems/bad PSUs catching fire. The 30 bucks for a fire alarm or fire ball is worth the peace of mind for me, at least.
Octoprint with webcam and thespaghettidetective.com
ferrules on psu input, hot end output, and bed warmer output terminals are the big ones.
Octoprint has plugins for controlling some smart switches, but this can be done through python scripts with octoprint also.
I also like wifi fire alarms and the fire extinguisher balls - [link]. There is a stl on thingiverse for holding it above the printer.
This is what I’m referring. Videos of it in action are kinda awesome
AFO Automatic Fire Ball Extinguisher With Mounting Bracket ABC Fire Extinguisher, Fire
Suppression Device, Fire Safety (TY-1350)
I like the camera idea. I saw someone mention installing one of those “extinguisher balls” which could help or fully extinguish a fire automatically.
Probably something like this: https://www.amazon.com/Automatic-Extinguisher-Mounting-Bracket-Suppression/dp/B074KZDNKY/ref=sr_1_2?dchild=1&keywords=fire+supression+bomb&qid=1620504928&sr=8-2
I've seen this advice a lot, but it really doesn't work when you have extremely long prints. Some prints will run longer than 24 or even 48 hours. There's no way I'm staying up that long, and I won't pause a print like that. I'll let prints run overnight, however I will generally avoid printing while I'm not home. At least when I'm home I can grab a fire extinguisher and/or call the FD.
But there are things you can do to protect yourself in the case of a fire:
I see a lot of the IKEA table enclosures and those make me nervous. But really, since the inclusion of thermal runaway protection, the risk has gone down quite a bit. I refuse to do what some folks do and just put a box over the printer to keep heat in when printing ABS and such.
Use common sense. Print when you're around. Keep flammables away from the printer. Consider the risks and mitigate what you can. But avoiding printing overnight just isn't a reasonable when you print anything large.
Step 1) Get one for $30 on amazon
Step 2) light your house on fire and use it
Step 3) report back and let us know how it works
33 bucks for peice of mind.
If you're nervous about fires you could always mount one of these: [link]
There are a bunch of youtube videos that show how effective they are.
I have seem people mounting this fire extinguisher ball on the ceiling, directly above the printer
AFO Automatic Fire Ball... [link]
Time to invest in one of these bad Bois☝️
I’ve also looked into Automatic Fire Extinguishing balls for my 4x4 tent but I’m still not sure if they will suit my needs.
Yup I bought one of these as well just in case. Here’s the link for anyone interested: AFO Automatic Fire Ball... [link]
The real question is if there is something like a fire ball tucked into the cupboard or if op is a real maverick.