Part of Print Lifting off the plate
Hi There,
I'm having trouble printing a very simple model (flat plate with some detail) and wondering if anyone can please help decipher what is going on?
I've calibrated the z-height to the best of my knowledge (picture attached), there are no gaps between the individual lines and the rectangle feels solid when I bend it. I've also washed the plate several times with a Dawn-like dish detergent. Additionally, I've moved the printer into a room that is a steady 70-72 F as it was initially in a colder room (60F) and I thought maybe that would fix it. It seems to me like the top part of the print (circular area) is sticking well to the plate but the bottom is not. You can see in the attached photo that part of the print is lifted off the plate so I had to cancel the print.
Thank you in advance to anyone who is willing to look at this!
Sandra
RE: Part of Print Lifting off the plate
Looks like you have a mini?
In any case, the Z height looks too low from your pics. The nozzle is plowing through the material that’s already laid down, causing it to have waves and rough patches.
Raise it up until you get a smooth top and bottom layer with no gaps in the lines and no ability to break the print in half when bent.
Try using something this for your next Z calibration:
Cheers
RE: Part of Print Lifting off the plate
Thank you very much. I really appreciate your reply.
Yes, I have a mini (sorry, forgot to mention that). I will try that and I really appreciate your input as I was thinking I was still too high in Z. I tried printing a thin layer square as a test (I didn't know where to find the single layer one so thanks for sharing that) and attached is what I got. Ragged edges and different textures along with an empty stripe in the middle. So I will try the single layer square tomorrow with a higher Z. Thank you very much!!!
RE: Part of Print Lifting off the plate
Update: I tried using Jeff Jordan's test this morning (PLA_S3D_calibration_surface_75x75mm@200um_v6.1) and it seemed to have failed horribly!
I increase my Z height (-1.572) with the hope that it would look better, but I stopped the print in the middle of it because I was afraid I was going to ruin my plate.
If anyone can take a look at the attached photo and let me know what I'm doing wrong, I'd really appreciate it!
Thank you!
Sandra
RE: Part of Print Lifting off the plate
I’d recheck that your min is square. One side of that is far too close and the other is too far away. There’s no way there should be that much difference and given all the other issues o. Here about mini builds being out of square yours is a likely candidate.
RE:
Hi again. Thanks so much for your input. I went thought the tutorial for squaring the plate and axis ( https://help.prusa3d.com/article/squaring-your-mini_158518) and I think that helped a lot (attached picture shows new first layer surface calibration test). HUGE THANKS for that.
I am noticing I have another problem with all the Gcodes I have generated for my own models the last few days. It seems like Prusa Slicer is making a path that breaks up the first layer into several horizontal stripes (as shown in the attached photo), instead of diagonal ones that run the whole length of the plate. It also put a gap in the middle of the flat plate I created as a test, and made that initial outline of the object around only part of my object. Does anyone know of any settings I might have accidentally clicked on that would do that? Or how to reset the slicer to the original settings? Attached is a photo.
RE:
Without seeing your project file I cant tell for sure why the large square is doing that. I can make an educated guess though, especially as the skirt is under the object partially. Id say your large plate has not been placed to the bed. As such it is at a slight angle. The skirt is placed around the first layer only and as only part of the model is actually touching the first layer its under the rest. If I'm right that would explain the stair stepping seen and mean a large portion of the print is printing in mid air. That is a recipe for disaster (spagetthi or even a blob'o'doom). That's just a guess though, would need the project to know for sure.
To attach a project in PS go to File>Save Project As and save the 3mf file. The 3mf contains a snapshot of your work, so the 3 currently selected profiles, the object(s), any modifiers, the placement etc. It allows anyone to slice exactly as you are doing. With one it makes debugging most issues much much easier. One thing to remember though is that you MUST zip up a 3mf before attaching it to a post here as the forum is very picky about the file types it allows.
RE: Part of Print Lifting off the plate
Oh thank you for letting me know. I've always just used the the rotate icon on the left to orient it with the flat side down and I assumed it would place it on the bed. I see I need to spend some time learning PrusaSlicer. Attached is the 3mf model in zip format. Thank you VERY much for being willing to take a look.
RE: Part of Print Lifting off the plate
Yep its the angle. Place to face tool is on the left toolbar. 4th one Down, shortcut is F.
RE: Part of Print Lifting off the plate
Ah, got it.. what a rookie mistake.. 🙂 Thank you so much! I really appreciate your help! You've solved all my problems and it looks like my main print is going to work after all. Thanks again.... all the best!
RE: Part of Print Lifting off the plate
Hi again. Sorry to be posting again, but I don't want to give up... so my final print sadly stopped at 66%, I have not idea why. Everything seemed to be going great, now it is not running, the head has moved to the side, and there's a long narrow-like valley in the area where the print stopped. If anyone can give me feedback on what might be happening, I really appreciate it once again. Picture attached as well as the GCode and .stl file that I used to import into PrusaSlicer and then I scaled by 110%. I didn't save the 3mf file when I made the Gcode so I'm not including one here because Im not sure if it would help. Thank you again to anyone willing to help.
RE: Part of Print Lifting off the plate
I wonder if a 'no break' device to avoid any power outages and filter noise?
RE: Part of Print Lifting off the plate
You can see how the nozzle has scraped against print that's what the valley is and why there is plactic on the nozzle the reason for stopping is because when nozzle scraped print it thought there was resistince on the motor and crash detection set off I would turn crash detection off and print a cube
Please help me out by downloading a model it's free and easy but really helps me out https://www.printables.com/@Hello_474427/models
RE: Part of Print Lifting off the plate
Thank you very much. I really appreciate your feedback. I played around with my print resolution (for some reason my resolution was really high - long print time) and my model printed on a lower (faster print time) resolution. Thank you all for saving my holiday gift! 🙂 All the best!