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Fell asleep on the couch so of course it goes off the rails!

They're sneaky like that. Wait until your first overnight print.

I just had this happen on an overnight print for the first time. Huge mess. What causes this? My parts are still stuck down to the build plate.

Bad section of filament?

Mine will come soon ... Failures brings success...keep up improving...

Mine is about 6 hours worth of mess. Its gross.

I *HOPE* this is just a browser problem, but I can't display the attachment.
I have examined all my user control settings, I can display attachments in other threads, etc.
Is this attachment in an unusual format, i.e. one that I haven't yest set my browser to recognize ?

EDIT: The only thing the attachment button shows as code is <dt> Attachments </dt>
I think there should be a link somewhere in there to an actual image.

Yet another edit;
The pictures in the next post display just fine, that post was made while I was doing the previous edit.

This is what I woke up to
[img]http://i.imgur.com/03eOnX8.jpg[/img]

I was using the whole print bed, It gouged right into the middle part and the far part(closest to z tower)
[img]http://i.imgur.com/qK13Sys.jpg[/img]

You can see that it looks like it was trying to lay down its first layer of top in that picture for about 1/2 square inch, but that isn't the top of the part.

About all I can guess is that it snagged the shower curtain enclosure... as you can see I'm building my enclosure

Difficult to tell.
I have had things go terribly wrong when a part breaks free from the bed, or if a corner curls up.

It seems the longer (LARGER) the job the more shrinkage becomes a breaking free risk - once the part touches the nozzle all bets are off, filament seems to go anywhere/everywhere.

JFettig wrote:This is what I woke up to

Ouch!

I would be extremely depressed seeing something like that!
All you can do is trash it and try again, I 'm sure that most of your prints come out ok.

I have reprinted them, one at a time.