Not sure how I did this but I managed to print bone structure when it should have had solid surfaces.
Any thoughts?
Sliced in Cura, pla on Ultimaker 2.
Print speed 100 mm/s
20% infill
Cooling fan on
Print temp 210c which is default for PLA.
Should I use a higher temp for white PLA?
temp is fine, higher than i use generally. - looks like it printed infill with no shell. Check cura settings?
Patent it
What is your extrusion stepping rate? What extruder do you have?
Your nozzle is most likely clogged.
Severe underextrusion
I got the same effect when I had a flaky connection to the extruder motor, though you might see the same thing if your filament is just slightly too large for the extruder (assuming direct drive).
That’s what mine looked like when I got heat creep and my nozzle essentially stopped flowing. Do a cold pull with some nylon. Should help. 210c is fine for pla. Check your drive gear. If it looks like it shredded a little filament then you know you have a jam.
I think I figured it out, the screw on the back that applies pressure to the bearing at the filament drive motor was probably not tight enough and allowed the filament drive gear to slip.
Happens to me as well. Either what you just said or heat creep.
