I have had my SM2 A350 for several years and not seen this problem before this. My A350 is installed inside the Snapmaker enclosure. I have a fairly simple box that is roughly 120mm x 120mm x 120mm. It has five sides which are all 2mm thick. It is printed with the open side up, so no supports ar…

As Xchrisd mentioned, I will look into calibrating the extruder. That looks like it will take a bit of time to dive into and do. I looked at an older print of the box that I did and the bumpy nature of the one side showed up much lower than the one I showed in the picture. Not sure what the setting…

Ok. Weird issue. Not sure if it would make a difference but I would position the object closer to the front of the printer next time and see if that helps… Another thing: Increasing infill overlap percentage can cause similar problems as yours, but I assume you have it set to default?

Yes, I agree - weird issue. If it was overextruding, then I don’t understand why it happens on only one surface. Wouldn’t it make sense for it to happen on all surfaces? I’ve created a smaller box (40mm W x 40mm D x 120mm H) with no full bottom (to save on print time) and I’m printing that now just…

All, Here’s an update. I created a new box scaled down in two dimensions - 40mm in both X & Y dimensions, but 120mm high like the last box. I also made the bottom of the box just a rectangular ring. These changes were primarily to reduce the print time. I included nubs and holes like the origin…

My factory values for the dual extruder were pretty good so this needs no calibration from my point of view. As @Rwide thought, it seems to be a wobbling bed. Have a look at this video, do you see the bed moving up and down? [image] Seesaw moving Baseplate Snapmaker 2.0 …

Thanks for the pointers to the see-saw issue. I’ll investigate this today and report back. Rick

Well, I’m back to Luban giving me fits on longer prints. I’m not quite sure why it’ll work for a print or two and then it’ll stop feeding. Came back to some type of nozzle interaction. I swapped over to Prusaslicer. There is a nice config file… first print is going well. You could verify the wob…

All, Thanks for the responses and ideas. It looks like the problem was indeed a wobbly bed. In the last 48 hours I created a smaller box to test things out. Instead of a 120mm W x 120mm L x 120mm H box with a full bottom, I created a 40mm x 40mm x 120mm box with a rectangular ring at the bottom in…

A lot of us added linear rails to support the bed. They’re not expensive and it does work. A few 3d printed parts and some screws. You don’t need to bolt it down; just set the rails on the frame.

Mads0100, I found the linear rails you mentioned. One of the comments in the forum posting suggested that this was really only appropriate for CNC due to the pressures involved there. Can I assume that you - and others - have found that this minimizes the see-saw action when 3D printing? Rick

Rough surface on part of a wall

Snapmaker 2.0 (3-in-1)

xchrisd February 1, 2024, 6:27pm 33

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Rough surface on part of a wall

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