remote radish
I run a business 3D printing and selling these parts. Before this sort of defect would occur roughly in 1 out of every 5 prints or so, now recently this has skyrocketed to 4 out of 5 prints. This has been tried on three seperate printers all with new 0.6mm nozzles along with different slicing settings, layer thickness, speed, temperature, etc.
The filament is actively dried at 90C while printing, and was dried at 100C for 6-8 hours prior. There are no globs or signs of undried filament on the seam or anywhere else.
This defect is wildly frustrating as these cosmetic issues make these parts difficult to sell and affects our bottom-line. They tend to be random but always and only on the round outer face.
Typically this is printed with 3 wall layers, 15% infill (gyroid or grid), 2 top and bottom layers. PolyMaker's recommended print settings are also used for our Bambu X1C printers to accomplish this.
It seems recently the quality of the PolyMaker filament has gone down in regards to the distribution and lengths of the carbon fibers within the filament causing these voids or problematic cosmetic areas. The perplexing part is these only ever occur on the gradual round outer wall and not on the back or undersides of the print where walls are more vertical. We have tried increasing the retraction distance and length of filament that is pulled back to no success.
tardy steppe