Geeetech

Hi,
I think it's called a z scar. You can only minimize but can't eliminate it really unless you can tune your printer well enough (and if it's good enough). Might help to increase the retraction distance, add a tiny bit to extra filament on restart. And slow down the print overall. There is also ...

Hi,
The most important area for 3D printing is medical devices because every patient's case is different and with 3D printers, it became very possible to customize medical equipment.