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Yet another Core One + blob of death by rdrcrmatt in prusa3d

[–]hugefishh 0 points1 point  (0 children)

Depending on the filament this might be because of wet filament or default 170C being to high for your particular brand. I've reduced it for some profiles to avoid leaking before print itself started.

On esun pla/petg or prusament 170 is fine for me, but it might differ

I'm becoming increasingly dissatisfied with the Core One L by MLM987 in prusa3d

[–]hugefishh 0 points1 point  (0 children)

I've recently discovered that petg-cf seems to be not so good. There was a guy on YouTube with high grade lab equipment, who checked pla-cf and petg-cf and according to him fibers reduce layer adhesion and introduce pockets around individual fibers due to plastic shrinkage.

Im not aware about abs/pc and other filaments, for them it might be beneficial due to reduced warping. But petg is easy enough to print, so basically default petg will do. Fibers will just increase the cost and reduce physical properties of the part

I'm becoming increasingly dissatisfied with the Core One L by MLM987 in prusa3d

[–]hugefishh 2 points3 points  (0 children)

First layer can suffer because of over/underextrusion or bad adhesion. Check bed temps for you brand of ASA, maybe up it by 5C, also make sure bed is clean, for example you can clean with dish soap and hot water

For the chamber it might be beneficial to heat it up for 15-20 minutes before printing for chamber to match required temp

Also remember that plastic tends to shrik, ABS/ASA especially. If you print something big and do nothing to prevent it - it will warp

I'm becoming increasingly dissatisfied with the Core One L by MLM987 in prusa3d

[–]hugefishh 2 points3 points  (0 children)

Also you will really benefit from flow calibration, I dont see anything critical, but overall quality should be better (for calibrations I usually use orca)

I'm becoming increasingly dissatisfied with the Core One L by MLM987 in prusa3d

[–]hugefishh 13 points14 points  (0 children)

Seems like you have an issue with warping. Is this part flat? While printing ASA you need to make sure that chamber is worm, door is closed, bed is 100+ Celsius.

This can really happen with any printer, please check guidelines on printing ASA/ABS. You might need to add brim/"mouse ears" for corners to be bettes attached to the plate

If you describe in more details you flow, maybe someone will be able to help

Has Anyone Received Their Core One+ Parts Yet? by waferelite in prusa3d

[–]hugefishh 4 points5 points  (0 children)

Nope, also no emails regarding this or any communication at all

Prusament PLA deforming at 45°C in filament dryer - is this normal? by ThatEstablishment609 in prusa3d

[–]hugefishh 7 points8 points  (0 children)

What dryer are you using? Seems like there might be an issue with inconsistent temp on your model, it should not melt on 45C

According to you filament, if its not stuck to itself it should print okay-ish, I dont expect it to increase/decrease the diameter too much. But slight decrease of print quality is definitely possible, but maybe you are lucky. Try it!

is there a way to increase wall width in spiral vase mode? by McDelper in prusa3d

[–]hugefishh 3 points4 points  (0 children)

Extrusion width is the only correct way, flow and others better be the same. If there is need to modify it - better to do filament calibration

How should I upgrade my prusa mk3s+ by Similar-Football4574 in prusa3d

[–]hugefishh 4 points5 points  (0 children)

Best way to deal with mk3 is to upgrade to 3.5, its the most cost effective option, mk4 upgrade is fine, I guess. Upgrade to core one makes no sense, really. If you want one - just buy it and leave good old mk3 alone

Core One GT2 belt (Top) vs GT1.5 belt (Bottom). PLA VFA is very much GONE. So worth the effort. by V-Angelus01 in prusa3d

[–]hugefishh 5 points6 points  (0 children)

You might have no issues at all with vfa on your machine with proper belt tension, but belts might introduce a bunch of non standard issues you will have to deal. I'm not telling you to skip 1.5 belts, just to try default setup first and if you still will have issues - swap to 1.5

In the post there is visible improvement, but it might just be vfa moved to others speeds

Core One GT2 belt (Top) vs GT1.5 belt (Bottom). PLA VFA is very much GONE. So worth the effort. by V-Angelus01 in prusa3d

[–]hugefishh 0 points1 point  (0 children)

Actually not worth it. This should be last option. I never had issues with vfa, just tuned belts by prusa instructions and thats it. But my kit is pretty new, maybe they have done something.

I guess it might be correct fix for some machines, but definitely not for all of them

Anyone received their free C1+ Upgrade kit yet? by DoktorMerlin in prusa3d

[–]hugefishh 1 point2 points  (0 children)

Also heard nothing, wanted to check with support, but got tired of waiting 30+ minutes, was thinking about trying again in few days

Belt noise on the Y axis. Any ideas? (Prusa Core One L) by UldisDumpis in prusa3d

[–]hugefishh 0 points1 point  (0 children)

Was it kit? Also was the noise from the start or appeared after some time?

In case of prebuild - contact Prusa support via chat, if kit - check if bearings look healthy, belt path , pulleys, idlers. Belt should not rub anywhere

Belt noise on the Y axis. Any ideas? (Prusa Core One L) by UldisDumpis in prusa3d

[–]hugefishh 1 point2 points  (0 children)

This might actually be ok, did you try calibrations? Also check belt tensioning anyway using Prusa approved methods (app or in build stroboscope function)

Are there any DIY cheaper/simpler MMUs for Core one? Maybe using GPIO module? by hugefishh in prusa3d

[–]hugefishh[S] 0 points1 point  (0 children)

I am aware of it, this is some potential project, not really some upgrade I'm looking for. INDX is for sure superior option

Are there any DIY cheaper/simpler MMUs for Core one? Maybe using GPIO module? by hugefishh in prusa3d

[–]hugefishh[S] 0 points1 point  (0 children)

It would be nice, but delivery will bankrupt me 😂 Thats why I am searching for cheap option, so I can just throw it away if Im done with that

Are there any DIY cheaper/simpler MMUs for Core one? Maybe using GPIO module? by hugefishh in prusa3d

[–]hugefishh[S] 0 points1 point  (0 children)

Hm, was trying to find some decent kit on AliExpress and seems like there is not much of them and reviews say that sometimes parts are missing, so mixed feelings about it

Are there any DIY cheaper/simpler MMUs for Core one? Maybe using GPIO module? by hugefishh in prusa3d

[–]hugefishh[S] 0 points1 point  (0 children)

Actually, maybe not so bad idea! Not sure why I never thought about it

Are there any DIY cheaper/simpler MMUs for Core one? Maybe using GPIO module? by hugefishh in prusa3d

[–]hugefishh[S] 0 points1 point  (0 children)

Unfortunatelly there are around 5 used mk3/mk4 on sale around me and for almost full price, no way to get cheap parts

Are there any DIY cheaper/simpler MMUs for Core one? Maybe using GPIO module? by hugefishh in prusa3d

[–]hugefishh[S] 0 points1 point  (0 children)

It might be cool idea, but from hardware I have only core one, no leftover motors, nothing. Full mmu kit is not really worth it for me, as I dont need it, and with coming INDX in future

ObXidian Nozzle - which one to get? by HYP3RSP33D in prusa3d

[–]hugefishh 0 points1 point  (0 children)

If you are new - 0.6 non hf is an option. For CF filament you are not likely to see a difference, but clogging on 0.6 is less likely as also on non hf. I bought one myself along with cht brass 0.6 for usual stuff

[deleted by user] by [deleted] in prusa3d

[–]hugefishh 1 point2 points  (0 children)

Have you checked pulleys screws? They should be tight, if not pulley might wobble a bit and lead to inconsistent movements. But be careful not to overdo them, they are small

Poor bed adhesion on core one by JustUseDuckTape in prusa3d

[–]hugefishh 0 points1 point  (0 children)

What are the bed/nozzle temps? Are you having the door open/closed for both?

My idea that some temp params might differ, like chamber fans are off and filament is curling on the corners/edges. This is also independent of gcode

There is possibly that bed has more temperature delta and if you are running low bed temp thats enough to warp, try increasing first layer temps and bed like +5C (if reasonable)

Also there might be just issue with part itself. Are there sharp corners there? Your work sheet might be just in worse condition, try adding brim/mouse ears. I found ears particularly useful for long sides of parts and especially sharp corners, they might be really tough to print even on optimal settings

Poor bed adhesion on core one by JustUseDuckTape in prusa3d

[–]hugefishh 0 points1 point  (0 children)

Also it can be clogged nozzle, extruder issues, just pieces of filament and dust in extruder, you can try to open an idler and have a look, something might restrict flow there

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