Suggestion
1.Try recalibrate so extruder is exact 1mm from heated bed
2. Print with support setting:touching bed.
3. Make sure extruder temp are in range
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looks like printing too fast and z height is too high.
for a start try slowing it down to 25mm per second.
I get the same curling up on marvin’s rear end if I try to print him too fast and don’t allow the previous layers to cool.
Try 205c, 40 speed, 40-60c bed, fan 100% after 2nd layer. Are your temps fluctuating by more than 1-2c? How have you been storing your PLA? Ambient humidity? Would suggest trying to print something like 4 at a time to make sure the pieces cool before the next layer gets slapped on.
Make sure bed is covered in a light spray of hair spray for PLA if you want to print direct to the glass. Works flawlessly on my 4S.
Also may want to check out Jetguy on wanhao’s forums on google – fair warning, he’s a little irritable but he’s awesome too! Redirecting to Google Groups 1
A video or time lapse of this may also help…
Printing from SD not over USB right?
I had the same problem printing my first marvin with the back side layer adhesion. I tried it again with a slower speed and it worked fine, hope this helps!
Checked the temp and it is fluctuating 3-4c, seems to be a wekaness on the wanhao i3 v2, alot of people have same issue. Found a fix for it and will do it this weekend along with some other upgrades.
Thank you all for your suggeestions, I will do some upgrades on wanhao and tune some setttings, will post new pic`s of marvin once done.
I store my fillament in boxes covered with rice. Thanks for the link to google groups will check it out!
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A competitor recommending their own product?
You don’t find this tacky in any way?
If you can sell it for same price I may consider