Hey there,
newbie problems… Currently trying to print 10 fidget toys at once for my wifes pupils.
Unfortunately after a few layers it gets messed up.
Looks like this in Orca:
Space between the Pieces is 2mm
Should I maybe print 5 at once max?
Filament is Extrudr PLA NX2
You’ll need to provide much more detail about HOW it is “messing up” if you want help. In general there shouldn’t be any issue with printing 10 of those at a time but you’d want to make sure one prints well first I would think.
Sorry my bad.
One was no problem.
With the 10 it messes up after some time, spraying filament around at the bottom:
I didnt tweak the speed settings. Print was done on the 0.2 Standard Profile
That’s probably a bed adhesion issue. Wash the print bed thoroughly with warm water and dish soap and dry with paper towels and be very careful not to put finger prints on the printing surface. Using the glue stick can also help but should not be necessary with the textured PEI plate you are using. Make sure you have selected that plate correctly in the slicer. The default profile may also use no bed heating so make sure the bed heat is ~50-60C. I also reduce first layer speed to ~35mm/s which helps with adhesion.
Looks to me as though an extrusion did not fuse with the printed layer below it, resulting in spaghetti. Maybe each layer takes too long because of the number of parts on the plate, so the previous layer has a chance to cool down too much? First thing I’d try is turning off the aux fan. You may also have better luck printing the objects sequentially rather than all at once. You can find the setting for this under the “Others” tab, “Special Mode” section.
Firstly, don’t print with grid infill. It often leaves small pieces of filament that stick up above the layer height which then gets caught on the next layer and can knock the model off the bed. Try gyroid instead.
Secondly, print-in-place models are more prone to failure than more simpler designs. They often need to be printed slower for the connecting pieces to form well. Slow the perimeter (wall) speed down and maybe print each one separately so you can be sure of success. You don’t save much time printing multiples.
@Heimdall looks like calibration settings , there are quite a few topis already on the subject wo will not get into details , but here is what would suggest , and please search other threads already quite few how to do each
Yesterday finished 36 parts covering the whole plate no problems with PLA and some are quite long and thin with high risk of warping - no problems at all . I used normal layer print not by object as too dense to use per object
Machine related:
Filament and tunning related:
- Dry the filament - wet filament may cause similar issue
- Dynamic flow calibration (PA /K ) - In orca i put the result in the filament
- Flow calibration -
Environment related
Pre warm the plate sometime before you start the print - allows to have consistent temp in the chamber and helps equalize the temp on the plate
Some times you may want to reduce or remove the AUX fan , and control the chamber fan - for PLA and PETG , for ASA/ABS no fan any way
You did not specify the material , but for ASA and ABS , especially if i print a whole plate would preheat the plate and start the print at least 30 minutes later , For PLA only if you print full plate or big models would suggest to preheat , i use 50C or 55C for around 15-20 minutes and throgh the whole print
EDIT:
for PA/K - i am using the tower calibration method from Orca slicer find it most consistent and reliable a bit slower
@Heimdall one more hint not related to your problem but related to your print
avoid using the rear left corner of the plate if you can ( the last 20mmx20mm)
there was an issue on a big model in that corner and i tested it and found a solution , but in general not ideal .
I had an issue very similar. One was perfect, 4 was terrible. Well, when printing 4 I realized the layer time was 4 times as long, and the part cooling fan wasn’t turning on because it was set to only come on if the layer time is less than 35 seconds. In the filament settings on the cooling tab I set Min fan speed threshold - Layer time to 999, and bam all 4 printed perfectly.
