Prusa ABS warping on MK3 using Slic3r Prusa settings
I have the most recent updates of both the Mk3 firmware and Slic3r Prusa edition. I am using ABS for the first time and made my gcode with the Prusa ABS settings, I don't have drafts or air conditioning in my printing room, and there was dramatic lifting of one side of one part of my print (pictured) 
This occurred around 40 minutes in, haven't had these issues with PLA. Is there any advice to prevent this particular issue with ABS? My print bed was clean and heated to 100 as per Prusa ABS settings in Slicer. I would hope that I don't have to purchase an enclosure just to be able to print a material listed as one the MK3 is able to handle.
Thank you for any advice you can give.
Re: Prusa ABS warping on MK3 using Slic3r Prusa settings
i don't have my MK3 yet but when I print ABS i don't have the part cooling fan on. IF its on try turning that off and or try a brim?
Re: Prusa ABS warping on MK3 using Slic3r Prusa settings
bed at 100ºc will warp with normal ABS. Use 120ºc first layer and 115ºc others. For me solved the problem with small and big objects. Also if you put a enclosure like a plastic bag covering the printer will help with ABS, i use a transparent plastic bag. But the 120/115ºc solved for me. It was warping always before, but not anymore
Open printers with no stable or cold ambient will not print ABS well without some mods
Re: Prusa ABS warping on MK3 using Slic3r Prusa settings
So not an ABS expert, but wouldn't a healthy brim help hold that puppy down?
Re: Prusa ABS warping on MK3 using Slic3r Prusa settings
So not an ABS expert, but wouldn't a healthy brim help hold that puppy down?
Brim helps with small surface to bed parts, don't think it would really help that object, it's all surface! Would probably lift the bring along with the part but that's always worth a try. I would try the glue stick, I've had some success with glue but really an enclosure of some kind would help. On other printers I've used Buildtak, helps but doesn't eliminate it, and ABS Slurry. Problem with ABS is it shrinks when it's cooled suddenly which causes it to lift...small draft can do it. Even a good sized card board box purchased for a few dollars as an enclosure can do wonders.
Re: Prusa ABS warping on MK3 using Slic3r Prusa settings
I have the most recent updates of both the Mk3 firmware and Slic3r Prusa edition. I am using ABS for the first time and made my gcode with the Prusa ABS settings, I don't have drafts or air conditioning in my printing room, and there was dramatic lifting of one side of one part of my print (pictured)
This occurred around 40 minutes in, haven't had these issues with PLA. Is there any advice to prevent this particular issue with ABS? My print bed was clean and heated to 100 as per Prusa ABS settings in Slicer. I would hope that I don't have to purchase an enclosure just to be able to print a material listed as one the MK3 is able to handle.
Thank you for any advice you can give.
Avoid printing on the left side of the heat bed; my heat bed is more than 5 degrees colder there.
Re: Prusa ABS warping on MK3 using Slic3r Prusa settings
ABS warps a lot more than PLA, and it's going to be especially pronounced with large objects with sharp corners.
The advice about turning up the bed and putting a cover over the printer are good, and a brim may help. Another thing to try is putting "helper disks" around the corners to eliminate the sharp corners on the bottom layers.
I would also give the bed another good cleaning with acetone. Alcohol isn't good enough for ABS.
Finally, the overkill solution is to paint the bed with a slurry made of natural ABS dissolved in acetone. This is almost guaranteed to stick, but will take some cleaning (again, with acetone) to completely remove before you switch back to PLA.
Re: Prusa ABS warping on MK3 using Slic3r Prusa settings
I have the most recent updates of both the Mk3 firmware and Slic3r Prusa edition. I am using ABS for the first time and made my gcode with the Prusa ABS settings, I don't have drafts or air conditioning in my printing room, and there was dramatic lifting of one side of one part of my print (pictured)
This occurred around 40 minutes in, haven't had these issues with PLA. Is there any advice to prevent this particular issue with ABS? My print bed was clean and heated to 100 as per Prusa ABS settings in Slicer. I would hope that I don't have to purchase an enclosure just to be able to print a material listed as one the MK3 is able to handle.
Thank you for any advice you can give.
20mm brim. what is happening is that higher layers are cooling and pulling the edges up. move the edge 20mm out and have only 1 layer and it will hold the edges down. only issue might be cracking on higher layers as they cool. it would be better if you did put a bag over the top of the print to allow it cool down at the same time/rate