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Posted: 11/1/2019 1:44:37 PM EDT
[#1]
3D printers have been known to start on fire, particularly cheap Chinese ones.
For some reason, at least for a while and on some printers, the Chinese firmware had ALL SAFETIES OFF. Yeah, bad idea. Its not so much the powder in the room, its the room/house starting on fire. This isn't likely, but it CAN happen. Good practice to update your firmware first thing to a version with all safeties enabled though. ETA: Octoprint on a Raspberry Pi 3 with webcam lets you monitor the print/printer while at work. Not sure what that exactly gets you other than peace of mind though, you would have to baby it. Although, I think Octopi should have its own thermal runaway issues built in. |
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Posted: 11/1/2019 1:56:08 PM EDT
[#2]
Thanks for the info.
I wonder if there's a way to contain it though?....Kinda like a campfire circle with a ring/stones so even if it did completely destroy itself, it wouldn't be able to act like an incendiary or travel to the drapes, cabinets, etc....and burn anything else, including the house, down? If I set it up on sand bags maybe? The camera idea isn't a bad one. I work between 30 seconds and 10 min. from my home. Thanks |
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Posted: 11/1/2019 1:58:24 PM EDT
[#3]
Sheetrock enclosure I suppose.
There is honestly more of a chance that a mouse starts your house on fire though, provided you re-flash that firmware (if required on your printer, research that). Octopi lets you even kill the print from anywhere, and you can rig up a solid state relay the pi can control and kill power to the whole thing. |
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Posted: 11/1/2019 2:04:13 PM EDT
[#4]
Quote HistoryQuoted:
Sheetrock enclosure I suppose. There is honestly more of a chance that a mouse starts your house on fire though, provided you re-flash that firmware (if required on your printer, research that). Octopi lets you even kill the print from anywhere, and you can rig up a solid state relay the pi can control and kill power to the whole thing. Thanks |
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Posted: 11/1/2019 2:08:04 PM EDT
[#5]
You can also pretty easily set up a smoke alarm with an attached relay to kill power if the detector goes off. Not very pricey w/ detector & relay totaling < $30 (you'd still need wire, extension cord, etc).
I did a write-up here with links to products: https://www.thingiverse.com/thing:3894912 |
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Posted: 11/1/2019 2:22:00 PM EDT
[#6]
A lot of folks also do a thermistor upgrade on their printers, too. Some printers don't have them initially, or crappy ones. Properly set up, they'll detect thermal runaway and shut the device down.
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Posted: 11/1/2019 2:25:14 PM EDT
[#7]
Quote HistoryQuoted:
I was going to go the Ras Pi 4 route but about an hour ago I just downloaded Cura on my work desktop (college office) so that kinda takes the need away for printing itself. Now if I go the camera route I don't mind throwing another $50-$100 for a Pi and camera. Thanks Quote HistoryQuoted:
Quoted:
Sheetrock enclosure I suppose. There is honestly more of a chance that a mouse starts your house on fire though, provided you re-flash that firmware (if required on your printer, research that). Octopi lets you even kill the print from anywhere, and you can rig up a solid state relay the pi can control and kill power to the whole thing. Thanks |
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Posted: 11/1/2019 2:35:03 PM EDT
[#8]
Quote HistoryQuoted:
You can also pretty easily set up a smoke alarm with an attached relay to kill power if the detector goes off. Not very pricey w/ detector & relay totaling < $30 (you'd still need wire, extension cord, etc). I did a write-up here with links to products: https://www.thingiverse.com/thing:3894912 Does your system stay latched off, or does it latch back on when the smoke alarm goes back to standby? |
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Posted: 11/1/2019 2:48:15 PM EDT
[#9]
Only off while the detector is going off, the relay resets shortly after the alarm event stops. If the alarm goes off again, the relay opens again.
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Posted: 11/1/2019 3:07:56 PM EDT
[#10]
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Know that Octopi doesn't work on 4, you need to keep it to a 3B+. been running octopi on my 2gb raspberry 4b since i got my printer and works fine. now the camera on the other hand have yet to try. |
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Posted: 11/1/2019 3:11:29 PM EDT
[#11]
Quote HistoryQuoted:
FALSE been running octopi on my 2gb raspberry 4b since i got my printer and works fine. now the camera on the other hand have yet to try. Quote HistoryQuoted:
Quoted:
Know that Octopi doesn't work on 4, you need to keep it to a 3B+. been running octopi on my 2gb raspberry 4b since i got my printer and works fine. now the camera on the other hand have yet to try. ETA: Current release has this: OctoPiGuy Sheffer maintains "OctoPi", a Raspbian (and thus Debian) based SD card image for the Raspberry Pi that already includes OctoPrint plus everything you need to run it: OctoPrint plus its dependencies MJPG-Streamer for live viewing of prints and timelapse video creation, compatible with various USB webcams and the Raspberry Pi camera CuraEngine 15.04 for slicing directly on your Raspberry Pi Recommended hardware: Raspberry Pi 3B. Please note that the Raspberry Pi Zero W is not recommended since severe performance issues were observed, caused by the WiFi interface when bandwidth is utilized (e.g. the webcam is streamed), negatively impacting printing results. See also here. .... Image compatible with Raspberry Pi A, B, A+, B+, 2B, 3A+, 3B, 3B+, Zero and Zero W.Image not compatible with Raspberry Pi 4, test builds here! |
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Posted: 11/1/2019 3:34:36 PM EDT
[#12]
Quote HistoryQuoted:
They fix the stability issue of Octopi with 4, or have you just not had issues? ETA: Current release has this: OctoPiGuy Sheffer maintains "OctoPi", a Raspbian (and thus Debian) based SD card image for the Raspberry Pi that already includes OctoPrint plus everything you need to run it: OctoPrint plus its dependencies MJPG-Streamer for live viewing of prints and timelapse video creation, compatible with various USB webcams and the Raspberry Pi camera CuraEngine 15.04 for slicing directly on your Raspberry Pi Recommended hardware: Raspberry Pi 3B. Please note that the Raspberry Pi Zero W is not recommended since severe performance issues were observed, caused by the WiFi interface when bandwidth is utilized (e.g. the webcam is streamed), negatively impacting printing results. See also here. .... Image compatible with Raspberry Pi A, B, A+, B+, 2B, 3A+, 3B, 3B+, Zero and Zero W.Image not compatible with Raspberry Pi 4, test builds here! longest print i have had has been little over 12 hours. usually tune everything off after im done printing. |
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Posted: 11/1/2019 3:55:13 PM EDT
[#13]
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that last sentence links you to where you can download the beta image for octopi 4. bee running it flawlessly for 3 weeks now and use it with my laptop to load prints, move the hot end around and everything. have yet to pick up a camera, may do that once off work today but that was what i was hearing for issues was the camera stuff. longest print i have had has been little over 12 hours. usually tune everything off after im done printing. Quote HistoryQuoted:
Quoted:
They fix the stability issue of Octopi with 4, or have you just not had issues? ETA: Current release has this: OctoPiGuy Sheffer maintains "OctoPi", a Raspbian (and thus Debian) based SD card image for the Raspberry Pi that already includes OctoPrint plus everything you need to run it: OctoPrint plus its dependencies MJPG-Streamer for live viewing of prints and timelapse video creation, compatible with various USB webcams and the Raspberry Pi camera CuraEngine 15.04 for slicing directly on your Raspberry Pi Recommended hardware: Raspberry Pi 3B. Please note that the Raspberry Pi Zero W is not recommended since severe performance issues were observed, caused by the WiFi interface when bandwidth is utilized (e.g. the webcam is streamed), negatively impacting printing results. See also here. .... Image compatible with Raspberry Pi A, B, A+, B+, 2B, 3A+, 3B, 3B+, Zero and Zero W.Image not compatible with Raspberry Pi 4, test builds here! longest print i have had has been little over 12 hours. usually tune everything off after im done printing. If your newb, just want to setup and go, you should probably go for the latest stable combo. |
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Posted: 11/1/2019 5:12:19 PM EDT
[#14]
Quote HistoryQuoted:
You can also pretty easily set up a smoke alarm with an attached relay to kill power if the detector goes off. Not very pricey w/ detector & relay totaling < $30 (you'd still need wire, extension cord, etc). I did a write-up here with links to products: https://www.thingiverse.com/thing:3894912 Thanks! |
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Posted: 11/1/2019 6:11:32 PM EDT
[#15]
I have printed PLA, PLA+, PETG and TPU in the enclosure so far & no issues to date. No idea about how Nylon or ABS would do.
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Posted: 11/1/2019 10:33:34 PM EDT
[#16]
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So long as people know they are getting a beta version, possibly with serious problems. Beta stuff can be great, but especially with software, almost always has glitches. If your newb, just want to setup and go, you should probably go for the latest stable combo. |
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Posted: 11/1/2019 10:43:31 PM EDT
[#17]
Have also seen where people build enclosures and mount one of those little thrown fire ball extinguishers over the printer. Fire starts, ball breaks, extinguishes fire. In theory, at least.
 Amazon has them.
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Posted: 11/1/2019 10:55:14 PM EDT
[#18]
Quote HistoryQuoted:
well got camera working just fine with the pi4. printing a 12hour print right now and no issues yet. even added the camera to my security system so i can record it from there if i want. just an easier way to see if i am out and about. Quote HistoryQuoted:
Quoted:
So long as people know they are getting a beta version, possibly with serious problems. Beta stuff can be great, but especially with software, almost always has glitches. If your newb, just want to setup and go, you should probably go for the latest stable combo. You using a pi camera or USB webcam? |
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Posted: 11/2/2019 2:35:49 AM EDT
[#19]
You could just plan ahead. And only print when you're going to be around.
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Posted: 11/2/2019 8:10:08 AM EDT
[#20]
Tall and/or detailed prints at high resolution can often run 12 - 24 hours...
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Posted: 11/2/2019 8:54:30 AM EDT
[#21]
Quote HistoryQuoted:
Cool. You using a pi camera or USB webcam? |
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Posted: 11/2/2019 9:42:43 PM EDT
[#22]
Quote HistoryQuoted:
Tall and/or detailed prints at high resolution can often run 12 - 24 hours... |
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