First time with supports and not very successful
I have been able to print with my new MK3S very well so far but my son wants me to print this mask so now I have to use supports. I have tried different orientations and supports/brim but have not had any luck. My last attempt seemed to be going ok but about 1 hour into a 9+ hour print the machine stopped and "crash detect" came up on the screen. I tried to resume print but it didn't work. Because of the way I had it oriented (Image 1), I noticed that the extruder was doing one side and then zipping all the way to the other side. I'm thinking this is what caused the "crash". Am I correct? I was thinking I had to place as much of the mask on the bed so that wouldn't happen so I came up with this orientation (Image 2). I would love to know anyone's thoughts.
Thanks for reading
RE: First time with supports and not very successful
I'm not the expert, but here are my thoughts, based upon my own climbing of the learning curve.
It's my understanding that a 'crash' occurs when the nozzle, literally, 'crashes' into something and the system senses a current increase and knows something is wrong.
The printer will always do everything at one height all at once, so if there are places to do on one side of the print at some height, and then some way on the other side, it will move quickly in a non-print move from one side to the other, in order to do them both at the same level.
Is your printer operable?
If not, I would guess that something, other than a few simple crashes, is wrong.
RE: First time with supports and not very successful
@jsw
Thanks for the reply. Yes, my printer seems to be fine. This morning I just printed something quick to make sure everything was good.
Your explanation helps a lot. Thank you! I guess these types of objects are difficult to print generally. I'll keep trying a bit more and see what happens.
RE: First time with supports and not very successful
Here's what I would suggest going forward ...
Re-slice the mask print. I would orient it as flat as possible. The closer to the print bed, the better.
Then under Print Settings -> Support Material in Prusaslicer, set the 'Contact Z distance' to .2 (removable) or even .25 mm. This was one bump on the learning curve for me, as in supports that were not removable without blemishing the print.
In thinking more about what you described, I'm thinking that maybe one or more of your supports warped up or broke away from the print bed and the nozzle slammed into it, causing the crash. I would 'butter' the print bed in the area of the supports with glue stick. I've occasionally had issues with that first level of support properly sticking to the print bed.
I do hope all of this helps.
RE: First time with supports and not very successful
@jsw
Thanks again! I will try what you suggest!
RE: First time with supports and not very successful
@jsw
I tried your suggestions and setting and it worked great... Thanks again. Here are some pics of the result!
RE: First time with supports and not very successful
My son loves it!
