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Fourth try on a print. Tried to add some adhesive to the bed to get it to stick better. Watched the first two layers and went to bed. Woke up to a printer on strike.
As a seethingly jealous ender 3 peasant who is still spending most of his time keeping my printer working with kludges and duct tape; it's nice to know Bambu owners are human after all and still run into problems.
Hope you get it sorted and are back printing soon! 🖖
Manged to get an ender 3V2 a few years ago, auto bed levelling is a must have feature if you intend to spend more time using your printer than calibrating or fixing it. After that masking tape fixes all adhesion problems.
I eventually turned off auto bed leveling because it just doesn’t help much. You still have to manually level the bed, and the correction it adds is kinda negligible. At least the BL Touch does help with the manual leveling process.
@WolfLink @CheeseNoodle I have and Ender 3 S1. On my old CR10 I had similar opinion to you on the bl touch. Since I upgraded the firmware on the Ender some of the new bed leveling stuff has been a handbags. I couldn't do without it now. Huge reduction in faff.
What firmware are you using? I’ve tried a couple different ones. I think the biggest issue I encounter is the BL Touch measurements seem really off near the edges of the plate, which makes the mesh corrections over correct. I have found the mesh tool helps me manually level the plate better, which is my current workflow.
And that’s just the bed leveling. My extruder keeps clogging to the point that I have to pause the print to do a cold pull multiple times mid-print to get something bigger than about a cubic inch to print. I’m not sure what’s wrong with it. Maybe it’s crappy filament but I’m worried something else is going on.
I must have been lucky with my Ender 3 - I only leveled it every few weeks or less. Very solid printer, had it 5 years.
Haha, my ender is printing at 20mm/s to avoid slippage, with the bed scraper jammed into to filament guide to make it actually grab and feed, and at 105% extrusion, but it's still chugging along. After a few restarts to get the fan spinning, that it.
I've had 3 blobs over the years, all caused by an otherwise benign issue turned into that because filament got caught in a silicon sock.
I mean putting a lot of sticky stuff in a sock will usually do that.
I've been doing 3D printing regularly for a decade or so now... Never had a blob.
I've been printing for two weeks, and I had one.
I don't think it's supposed to do that
that looks like delicious taffy. like an abba zaba
Nozzle not seated properly?
or no nozzle?
I just had this happen too and it was caused by a bad z-offset reading. The nozzle hooked one of the parts on the bed that came loose and drug it around while forming the blob.
If you use OctoPrint you can get plugins that use a camera to watch for failed prints like stinging etc and it will stop the print if it fails.
I forget the name of the plugins right now. I went to say “Dr” something.
It used to be Spaghetti Detective, but they wanted to be trendy so it's "Obico" I think now lol
Thanks for adding the extra detail.
I have since noticed OP has only been printing two weeks so perhaps they don’t want to go down this route just yet, but it is another fun project and they will need to print some things to hold the web cam etc so could be something to focus on.
Yeah, it's not bad! If it's got a good clean view it can tell you when things start to look a little sus before disaster strikes haha.
It's even self-hostable, and a modest dedicated graphics card can be used to run the LLM completely locally. I haven't been able to get that running on my server yet though. (Nvidia drivers. Agh)
Otherwise they're pretty "freemium", which is understandable.
I've been out of the game lately though. :)
Thanks for this.
I have been out of the game for a bit too. Saving for a Bambu Labs printer as I spend more time levelling my Ender than printing 😂
I had this happen. Pop the whole hotend in the oven on the warm/hold setting for a bit and it should come off fairly easily.
I've a massive blob like this one time when the nozzle got clogged and the extruder created enough pressure to push the filament through the threads of the hotend block. It was on an Anet A8 and I ripped a lead off the thermistor trying to get the plastic off so I ended up replacing the entire hotend.
You can try to heat up the hotend to a fair bit under the melting point of the filament to where it's soft and somewhat pliable but not runny or sticky and then trying to peel it off. Though you'd risk damaging any leads to the thermistor, heater, or your hands if you're not careful.
Good luck on fixing the printer and getting back to printing again. 3D printing is a really time consuming hobby
Thanks. I am really frustrated with myself for letting this happen. Pulled everything apart and recovered most of everything, but managed to damage the clip that holds the extruder in place, so now I get to learn how to do surgery and replace the entire assembly. I wish I had gotten a bit more time before having to do a major repair...
Atleast it didnt get wedged in the heat sink... Thats what happeneed to my last blob, had to replace the entire hot end.
Hey, ummm... I think I see the problem. Your printer has diarrhea
I don't see a beginning of a print anywhere, did it not even manage to do the first layer?
If that's the case, a word of advice to always be present for the first 2 layers of your prints, at least for the longer ones.
I didn't take the photo immediately - tried cleaning a bit before it occurred to me to document it.