I have the cover but when I use it I find I break the filament occasionally at the extruder head due to the sharp angle it must bend due to the cover being so close to the head.

Might have to make something that actually works, since it does hold a fair amount of heat inside when it is on.

Try setting the case on top of the screws. It will give you a bit more room without needing anything more hardware wise

Might have to make something that actually works, since it does hold a fair amount of heat inside when it is on.

Bed is flat and level. Running 200 on the extruder, 100 on the bed at all times.

The prints look great at first, but once they get up there in thickness and material volume they will start to curl a bit by the time they are complete.

Any tips for this?

Set your bed to 100 instead of 85, and print the first layer at 200, then you can step down to 195.

He may be having the same problem as me if using Slic3r.  My first layer temperature setting doesn't do anything.  I had to manually turn up the extruder temperature to 198 when it starting printing.  Seems to work so far....

You could shim under the glass to raise up the low area.

With a dial guage you could map your entire bed and know
where the potholes are?

I'm puzzled why the plate of glass, which is only held in two diagonally opposite places, would not end up flat.  Perhaps I should rotate the glass around, to see if I can find an orientation that works better

All of this may have to wait a few days.  Turkey calls...

I put a glass plate on, using springs as clamps (see photo).

I'm not sure if you've tried hairspray yet but it works wonders.

Hairspray had no affect at all, sadly.  I've printed some fairly large things in the past, but suddenly, nothing works.

I have re-leveled the bed (as best I can, since there is a low spot on the far right).  It is set so that a piece of paper just barely makes it under the print head for everything but the far right; the paper measures 0.10 mm thick.

Bed is set to 85 degrees, and extruder is at 195.

I've gone from happy production oriented guy to frustrated head scratching guy

I have two glass plates, which I could try to use, but the kapton was working well for a while, and now suddenly parts of it are not.

I put a glass plate on, using springs as clamps (see photo).  The glass plate is held in place with a clip on the near right and far left.  The depression on the far right is still obvious when using paper.  That is, the lack of flatness in the bed is mirrored in the glass. I had not expected this at all

Time to get a new bed, I guess.  Frustrating

I have a similar low spot, but mine is further towards the back right, having a low spot in the middle is just damned unlucky.

I've two suggestions.

the first is a bad fix.
set your bed height so that it should work on all places on the plate.
by this I mean, you want the middle at say 0.35mm, then the edges of your warped plate are going to end up really close, probably 0.2mm

you're going to see distortions over pretty much all of your print this way, but hopefully they should at least stick.

the other (much better way) will be to put a sheet of glass on top of the bed to that it's level. (though this does involve finding a new way to alter the bed levelling screws.)

some people have gotten around this by printing some thumb screw type attachments, personally I plan to use a dremel cutoff wheel to cut a slot so I can adjust it using a screw driver.