![]() ![]() This seems to be a bug in Cura (or at least something which is improved in the version currently in beta). When I only request one wall, the rest infill, (even though I have 20% infill), then the result is as expected. If I reduce the nozzle width, I do get some inner walls, but only where there was already space for 2 walls. Normal has a gap in anything over 0.8 mm wide. His pattern indicates two dimensional thinking. My notes and disclaimers on 3D printing and miscellaneous other tech projects He is intelligent, but not experienced. The last setting shows infill (in yellow) rather than an inner wall (green). (bobstro) Illustrious Member RE: Stop 'Gap fill' Try setting gap fill speed to 0. Next is an inaccurate (small) nozzle setting of 0.38 mm, and finally the correct 0.4 mm nozzle, wall thickness of 1. Now, with the sheer amount of options, you might even feel overwhelmed with all the possibilities. supermerill added a commit that referenced this issue on Aug 21, 2021. Estimated reading time: 13 minutes You may have noticed that there are new infill patterns in our new version of PrusaSlicer (2.3). This is extremely noticeable on small parts. supermerill added the fixed for the next version label on Aug 21, 2021. When Gap fill is enabled, it seems to over-extrude causing edges with a lot of artifacts. The first is 'normal', with wall count set to 2. supermerill changed the title Gap Fill not consistent Add Gap Fill on thin empty surfaces on Mar 18, 2021. Here are some rectangles of width 0.3 mm to 1.2 mm (increments of 0.1 mm) sliced in Cura 2.31. One thing I found would sometimes help is to change the nozzle width setting in the slicer (to maybe 0.39 mm) and this sometimes helps (at the expense of needing to offset the extrusion rate to compensate). If you ask for a 1 mm thickness, but only have a 0.4 mm nozzle, it is not easy for the slicer to split this into 2.5 passes. If still not good enough, do a flow calibration as per that slicer, and PA calibration. If its not better or still not good enough, reduce the max acceleration. Find the parameter 'Seam gap', and set it to 0. What is happening here is that the part thickness is between 2 and 3 nozzle widths (or possibly between 4 and 5). Try the SoftFever build of Bambu Studio (edit: go to the 'actions' tab to find install files). If you look closely at the slicer output, you will probably see that these regions just have outer shells, and no infill. ![]()
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