Prusa Slicer Introduces Unwanted Infill & Bridge Supports
https://github.com/prusa3d/PrusaSlicer/issues/1054
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Adding to this issue with another example. This causes a lot of time and material waste. VersionPrusaSlicer-2.0.0+win64-201905201652 Operating system type + versionWindows 10 Pro 10.0.17134 3D printer brand / version + firmware version (if known)Original Prusa i3 mk3 BehaviorPrusaSlicer will put seemingly needless solid infill and top solid infill in the middle of prints. This causes significant increases in printing time and material usage (Cura prints the same model with the same speed settings in nearly half the time). This is not a new feature request. Attached is model, project, and config ini. The problem is most evident starting at layer 74 on up. You will see the seemingly random parts of top solid infill (and some bridge infill). This project takes 6 hours 52 minutes in PrusaSlicer, but in Cura it takes less than 4 hours when using the same speed settings. The biggest difference is that Cura doesn't slice in all of the extra infill.
Project File (.3MF) where problem occurs |
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RE: Prusa Slicer Introduces Unwanted Infill & Bridge Supports
Here are screenshots from PrusaSlicer
RE: Prusa Slicer Introduces Unwanted Infill & Bridge Supports
If this is a request for help, great; but if this is an attempt to add to a bug report, the peer to peer forum is not the right place to post it up. Github is where bug reports belong and the only place they are responded to. Though once in a while a dev will respond here, it isn't expected.
RE: Prusa Slicer Introduces Unwanted Infill & Bridge Supports
Try this part: see if it works any better.
RE: Prusa Slicer Introduces Unwanted Infill & Bridge Supports
@tim-m30
Thanks. Looking for help.
I found the "fix with netfabb" command in the context-sensitive menu by left clicking on the object in the left hand panel. That fixed it once, and nicely. But now I'm trying to print a pyramid shaped shell and I get the unwanted infill even when I set infill to 0 and then fix with Netfabb.
Any insights are welcome.
RE: Prusa Slicer Introduces Unwanted Infill & Bridge Supports
Update: It seems that when exporting STLs out of Blender, it is necessary find the "Export STL" panel in the lower left hand corner of the File/Export window and check the "Selection Only" box. This seems to stop the problem of unwanted geometry appearing in PrusaSlicer.