I used the image to keychain creator on makerworld to create a project file, but every single project has an odd artifact that shows up during slicing in Studio. See the attached photos. The project is only 37 layers tall and the oddity is not present in the 1st, 36th and 37th layer. The swirl bleeds through both sides as a circular dark spot on the finished print.
Is there a way to eliminate this swirl shape with studio? Its in a large area all the same color filament
Eliminate the source of it in the image and it won’t be in the project file 
It doesn’t always work like that. I’ve had the slicer introduce those kinds of artifacts when I created the STL files that were fed to the slicer - there was no defect in the STLs but the slicer adds things like that occasionally.
If you’re using Microsoft Windows, there is a free STL viewer baked into Explorer called 3d Builder but you may have to install the free app from the Microsoft Store if it wasn’t already installed. That can either be inside of Windows from the Microsoft Store or from this link.
What this will allow you to do is to open the STL independent of Bambu Studio and see what is in the STL using Microsoft’s viewer.
If you’ve installed it correctly, you get the additional bonus of seeing thumbnails of your STLs in file explorer.
If the artifact is visible in 3D Builder, then you know it’s not the slicer but the model itself. There is a possible remedy. You can try one trick that may or may not work, you will have to experiment. Right-click on the model and select “simplify Model”.
This will present you with the option to increase or decrease the level of mesh details in the STL. Note that this will have an impact on model quality. Lower resolution creates more mesh triangles and gives the model a Low-Polygon look and increasing the detail will give it a smooth almost blurry look. So you will have to experiment.
If you don’t want to mess with the simplify function in the slicer, you can access that directly from inside the Microsoft 3D builder app. In fact, the Bambu Studio slicer actually doesn’t have code for the Simplify Model feature, it is using the Windows resource for that.
Here’s where it is found in Windows 3D Builder but note that you will have to save the file as an STL and then import it into the slicer. The sole advantage here is that you won’t be corrupting your original 3MF file so experimentation is easier.
Step 1 – Select the model with your mouse and click on edit. Then click on Simplify.
Step2 – Change the range of the mesh by using the sliding bar. Note the original and new face count. Click the check mark when you’re done and do a “Save As” and make sure you select STL file format. It will default to 3MF file format but I found that Microsoft’s 3MF routine is wonky whereas STL is more reliable.
Some neat other features to try too. Thanks!
Thanks for the reply, but, 2 things:
I’m working with a 3ml, as the sti loses all interior details and color info, it’s just a flat gray block roughly in the shape of the outline. The stl preview looks smooth and problem-free in Studio, till I slice it, then its full of even more odd artifacts.throughout the layers.
3D builder was apparently discontinued and depreciated several years ago by MS and isn’t in my build of Win10. The store page says “install” but it won’t. It just launches the windows store app in windows to a blank page with no way to install. I found the app on several sketchy AF websites, but I’m not willing to trust them to be virus-free. Major Geeks just points back to the MS website.
Since the image is a flat color & inked png drawing there’s nothing out of the ordinary in the area. I re-colored the area and tried again, but the artifact still shows up when slicing the 3ml file, so, I’m back to my original question: Fixable in Studio?
Was this a typo? Did you mean 3MF and STL? If so, don’t confuse a 3MF file with an STL file. In fact, a 3MF file is a ZIP archive with the extension renamed. The reason for this is that the 3MF standard includes a specific hierarchy of folders and within those folders is the STL file.
When you say “Loses all Interior”, what do you mean by that?
I’m not sure where you saw that information but 3D studio is alive and well and available as a downloadable install on the link I provided. I’ve installed it on 3 systems in the last month alone, it’s on my list of go-to utilities I include in every system build right along with 7Zip and a variety of other must-have utilities. If your system is preventing you from loading something from the Microsoft store, that is beyond the scope of this forum and you will want to seek advice from other sources.
I’m not sure of how it’s still working for you, I guess you’re lucky it does. But, as you said, its out of the scope here.
What I have since found out is that it’s been rolled into Paint 3D and that will open stl’s.
Both it and Studio open the STL file to show just a flat gray slab with 0 details or outlines in the interior. The 3MF preserves everything. Both files are from makerworld’s keychain maker. The red circles are approximately where the artifact is when sliced. Nothing looks amiss in the preview (lack of details aside).
Run it through Meshmixer or Meshlab. If I had to guess, there’s a stray one-vertex polygon in the file. May not be visible to a program that’s rendering the STL as a solid, but would be visible to a program that understands what to look for…
Thank you, this actually pointed me in the right direction: Meshlab showed the area with the oddity was where two polygons met and merged into another from one of the black detail lines on the shirt. I shortened the line and must have changed the geometry enough for the oddity to no longer shows up when sliced
Ah, yes. “Intersecting Polygons” will definitely confuse the slicer.
