It was a large gridfinity plate, so large in dimensions, but it wasn’t completely solid. But in general I haven’t had any issues with warping yet. I’ve kept an eye on my PLA prints and the enclosure temp as well and it has generally stayed under 35 for me. (My printer is also in a colder basement which probably helps)
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You keep sending me down rat-holes like gridfinity (again). 
Glad you're up and printing, and man, those are insane temps for PETG! But the speed can't be argued with. 
Oh yeah so many options here. This was the base I was printing, the dovetail saved me effort of buying hardware to screw things together and seems to work well enough.
https://www.printables.com/model/368469-dovetail-gridfinity-base-short-v2
Pic here of what i was organizing with gridfinity: Let's talk 3D printers! - #942 by djw1191
Some more links of gridfinity organizers I’ve been printing.
https://www.printables.com/model/341811-gridfinity-battery-trays-aa-aaa-18650-cr123-9v
https://www.printables.com/model/381400-collection-of-30-different-battery-type-labeled-gr
https://www.printables.com/model/321606-gridfinity-plain-bin
I was also a little worried, but things seem to be printing fine? Not getting any oozing or stringing, which is what google tells me happens when the temp is too high, and the house hasn’t burned down yet… so I guess I’m good.
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Oh no...looks like I'm going to have to re-organize my rechargeable batteries. 
That seems like a reasonable limit to set - don't want to wimp out unless things are obviously out of hand.
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@dJOS @JasonJoel and any Klipper users - have you guys found a mod/macro that allows you to tie prints to a specifi spool of filament? I had a plug-in in Ocotprint that allowed me to choose which spool I was printing from at the start of each print, would like to do the same/similar in Klipper. Done a little searching and nothing popped up right away. Have you seen anything like that?
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They are great, I use them to organise my CNC Bits etc.
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I'm not familiar with that plugin - IMO that is the slicers job:
That way you can configure your settings and Z-Offset for Different types, eg PETG all in one place:
It's wonderful... Really loved it.
I think maybe I didn't say it clearly enough, what I meant in terms of spool management is it kept track how much filament I used on any given spool as I was printing. At the start of each print I'd get prompted to select the spool I was using, and then he kept a running total how much filament I'd printed it off that spool.
I'm looking for something like that on clipper.
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Oh that is a good idea. I know Cura has something like that, but it was quite clumsy iirc.
EDIT: it looks like folk have been asking Prusa to add this for a while:
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That's exactly it and they say as much on the Wiki. Less time passing through the nozzle = less time for the hotend to heat up the filament = needing higher hotend temp.
If it's any consolation, we had a power outage last night....I was halfway through a 6 hour print. That's when I realized the massive n00b mistake of not hooking my printer into my UPS (I think because I wasn't sure if it was going to stay on my desk or not). I then went to restart the print today, only for the filament to bind on the spool immediately, but I didn't notice until it had been "printing" for about an hour. Third time's the charm I suppose.
I had a complete print failure with the same job (more cereal box spool holders) a few nights ago. Best I could figure, it was either from the "flow calibration" or because I left the door open and glass top off (first time for me) and it was just too cold in here (65°F/18°C).
Where you using a flat plate? I did read Bambu's recommendation with the textured PEI plate (any of them) is to run a flow calibration on one of the flat plates when you first load up a spool. Then swap the plates over for whatever printing. The printer will keep the calibrated settings until it's either power cycled or the calibration is run again.
Have you added lighting? I also recall reading that lighting (even ambient lighting in the room, especially if the printer is near a window) can throw off the lidar during the flow calibration.
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IGNORE THE ABSOLUTE HORRID TANGLE OF WIRES PLEASE AND THANK YOU!
I printed @lewis.heidrick replacement case lids to add some Noctua 40s. Dropped hub temps by ~20°
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Yeah, I’m using one of the flat plates, specifically the high temp plate. So not running into anything there.
No extra lighting either. I think the manual calibration and temp change did really help.
I did just discover a really odd failure, 2 hours into a 4 hour print. It looks like after the first layer, the whole print shifted very precisely on both the x and y axis. I’m not sure why that happened, the shifted print looks perfectly normal other than it not being where it’s supposed to be. I printed a quick bed scraper as a test and that came out normally. Very odd.
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I saw this very issue in a Sovol discussion a little while ago, can't remember how they solved it, but it is really odd to see, like the whole print moves over and then continues perfectly from its new base.
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And I found this! Something that has been moving (slowly) for a while...so there's a slight maybe on this, maybe... You wanna dive in and make this happen? 
And old-ish Reddit discussion:
https://www.reddit.com/r/klippers/comments/t57l0k/is_there_a_filamentspool_manager_for/
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Nice, I'll have to check that out.
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Not that anyone wants or needs an update, but a reprint resulted in no issues and was completely normal. What a mystery.
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Finally! Been sitting here tapping my fingers wondering where the heck you were...
Glad you're back on track.
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Some soldering going on tomorrow...need to turn this:
In to something like this:
I only mention it in case you see smoke coming from southern California. Don't worry, it's not a wild fire. Just little old me soldering up the neighborhood.
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What are you breaking , err I mean making?
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Little accelerometer used in for input shaping configuration. Blame it on @djos - he's the one who keeps telling me about cool stuff.
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