I still have no idea what I’m doing really. Just too determined to give up I guess, and it’s been such fun. Anyway I made a guitar pedal light switch cover. Still a lot of work to do, and every time I look at FreeCAD the wrong way, the model breaks, but it’s been a fun experience nonetheless.
On a side note, anybody have any idea why the face of the model is rough textured, while the foot switch on the lower half is flawless?
Before you go through a bunch of calibration, I’d see if it happens with a different filament. Those black particles there are likely something with a higher melting point than the surrounding PLA, otherwise they’d “smear” during printing. I’m betting you’re hitting some intermittent clogs. See if the problem happens with a single color filament.
Thanks, I hadn’t considered what made the marble in this marble white. I noticed this with my previous filament as well. This was a dual color PLA with under extrusion issues. I still use the original plastic extruder, and I bought it second hand, so no idea how much wear is on that arm but it’s been in use for several years at least. I ordered an aluminum upgraded one and a filament dryer, and they should be here tomorrow. I’ll upgrade the extruder, dry the filament, and check esteps afterwards to see if that was my part of the under extrusion.