@mpirringer Thanks, I will look on Thingverse and see what I can see, I have put PLA on the back burner for now.

@erievon Looks familiar, not sure what the fix is.

@mpirringer I did do this check and dimples appeared in the water, on either side of the nozzle it seems. Ran out of time and went back to Rhyno.

Still not sure why the cooling is an issue, but will try again soon.

Changed material to Rhyno (black) looked fairly clean, I suspect some moisture but still a cleaner print. Changed the cooling shroud and printed the middle two grey guys, still wrinkle butt but now wrinkle face. The far left guy I printed with both doors of the enclosure open.

On the back side, same old butt issues two different fan shrouds tested and again the far left one printed with doors open.

Not sure what the next step, would like to print with PLA for simple economic reasons.

@mpirringer said in PLA Issues:

@pverdin Try to close the gap - You want to direct all the air right under the nozzle where the filament comes out and no where else

Part of my testing with a different material today will be printing a new shroud, probably from Rhino. Thanks for the response.

@pverdin Looking at the drawing for part 503 the shroud, it appears to be solid with openings at either end, mine has a gap that goes all around the unit,

@mpirringer The fan is running 100% on the PLA, not sure how much airflow I should have at the print head though or how to measure other than run it and go by feel.

@erikescudero said in PLA Issues:

@pverdin said in PLA Issues:

while but back at it and decided to take MH Builder's PLA for a spin and having issues getting a clean space guy. I have tweaked my "Z" so I have good adhesion to my Buildtak surface, using default settings from MH for the flow etc.
Three attempts after printing a clean "cube" test, the one on the left is 200 deg, middle is 205 deg and the right is 210 deg hot end temp settings. Cooling fan is running 100%

This definitely looks to be a cooling issue. I agree with Martin though, does this happen with every material? Do you see both fans spin when the part is printing?

Haven't tried any other material, both fans are running while printing, I have not experienced the cooling fan before when printing Nylon 6.

@mpirringer I will load up something different on Tuesday and see what happens.

@zoromer I thought the temp was the cure but no such luck. The latest along with the overhang print out, both at 190 degrees, nothing else has been changed.![0_1573245950118_190 Degrees setting.