How confident are you of the hot end temperature? For that matter - what hot end are you using?
Do you have the same issues with something like a spiral vase that has no retraction?
How fast are you trying to print? How fast are you trying to extrude? What happens if you cut the print speed in half?
Do you have the same issues with something like a spiral vase that has no retraction?
How fast are you trying to print? How fast are you trying to extrude? What happens if you cut the print speed in half?