I’m using an ender 3 with a 0.4mm nozzle

@j4k3@lemmy.world
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176d

Wet filament can do that. Even new filament can be wet some times, especially with rarer colors that sit around in storage for much longer.

@EvolvedTurtle@lemmy.world
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56d

Oh I didn’t even consider this I’ma try this first

This filament has been sitting out for a while so this seems very possible

Can look up tables of temperatures and times for using an oven to dry various filaments. Putting in sealed container with desiccant could work but will take much longer

@SkyezOpen@lemmy.world
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25d

Toss it in a box with dessicant packs for a few days. If it’s not flexible and breaks easily, it’s too moist.

+1

Dry that shit always, super easy to eliminate that variable

@Nightsoul@lemmy.world
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25d

Check for clogs in the nozzle And check your extrusion motor, that might need a clean

Filament also might need to be dried, if you hear crackling as it comes out of the nozzle it’s most likely too moist

@javasux@lemmy.world
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146d

Looks to me like your temperature is too high and you need to increase your retraction distance.

Also may help to have improved blower (fan replacement/more focused outlet)

@EvolvedTurtle@lemmy.world
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16d

I am absolutely gonna do some test for this

@fluxx@lemmy.world
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3d

As others have mentioned:

  • Dry your filament. Stick it in the oven for 2+ hours on minimal settings. If you have a fan in the oven, even better. edit: use the printer bed, see comments below
  • Tune your printer. Do a temperature tower with your dried filament. Lower temperatures might improve quality at the expense of lower layer adhesion. Do a flow calibration routine. Overextrusion can also have effects like this.
  • Slow down the printing. Increase minimal layer time, which might have an effect. If it’s original E3, it has relatively poor part cooling, which can be compensated by slowing things down.

Nothing wrong with Ender 3, if you thinker enough, you can get results as good as any other printer. But it may require tinkering. The model that you’re printing is difficult with FDM printers of any kind. It has thin, delicate parts with steep overhangs. It can look better, but it’s gonna be hard to achieve. Resin printers are definitely a better choice for this, but you use what you have.

FuglyDuck
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35d

Gotta be careful with ovens.

First they have a huge gradient and it may not be 60c in there even if the oven says it is. If you must use an oven, the best is to set it to bread “proof”- this setting is used to let dough rise and usually isn’t all that hot. (Though…. It could be. It’s inconsistent sometime,)

Remember, glass transition is usually about half the melting temp, and you want to be about 2/3s that at the highest. If you go past it, you might get sintering- the filament sticks to itself.

Personally, a cheap food dehydrator is going to do the trick. Alternatively, a tub with moisture absorbing beads bulked up in the bottom and few days or a week or two should do the trick gently. (You can buy big ass jugs of the beads at big box hardware stores or Amazon. Hell you can get 55 gallon drums of them if you really wanted to…)

@fluxx@lemmy.world
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25d

True, I’ve seen many molten rolls of filament because of overly warm ovens. Make sure it doesn’t go over 60C and you’re good. Mine is good, has a little overshoot when heating up, but if you let it warm up first and then put the filament, it generally stays very close to 60C. I havent had problems. Other ovens - be careful. Food dehydrator is better, but if you don’t have it, you may as well buy an actual filament dryer. Desicant beads didn’t work for me. They do the trick of maintaining the dryness, but if you have ANY built up moisture in your filament, the beads won’t do much.

@Dkarma@lemmy.world
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-56d

Throw your ender away and buy a good printer.

Every single thread like this is an ender.

They’re shit.

@EvolvedTurtle@lemmy.world
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25d

Man I’m broke and I’ve had this thing for years Fuckin love it

FuglyDuck
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15d

You know that’s generally not helpful, right?

Like, okay. Enders are not the best printers. It’s what they have. Most of us can’t just go out and get a printer just because it doesn’t meet your standards.

People should have realistic expectations, but Enders aren’t incapable of okay-prints, and with a lot of love, some awesome prints.

This is especially not helpful since it’s probably the filament needing to be dried and temp adjustments for the plastic.

@MissJinx@lemmy.world
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-46d

Well my fdm wont print anything this size so yours is a lot better

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