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  1. Thanks. The width of those elements is 0.4mm in the CAD program. But I can understand how dimensions that display as 0.4 may actually be ever so slightly smaller as a result of limitations of internal representations and finite precision math. (Some numbers can be exactly represented in a fixed number of digits base ten are repeating decimals in other number bases, and vice-versa.) The elements appearing/disappearing in different copies on the same build plate/same settings are probably the result of placement transformations throwing tiny difference between the actual width and 0.4 mm back an
  2. Here is a simpler version of the .stl file, showing the same problem when sliced. The elements that are being omitted (not extruded, even though movement made along their path) are 0.5 mm thick. Slicer settings are for 0.2mm layers, so they should be several layers thick. I've tried with and without adaptive layers checked. The model consists of two bodies in the CAD program: (In this screen cap, I selected one of the two bodies so it would show up a different color in the capture. Note that the missing elements are part, but not all, of one of the two bodies. The highlighted (brown) b
  3. With Cura 4.8.0, I have several models with which I'm seeing the same odd behavior. When I place the model on an empty build plate, some elements of the first layer are missing when sliced. If I multiply the model (place additional copies) on the build plate, the elements show up in the addition copies. Any idea what could cause this? Example shown below. The first instance of the model (on the left) is missing two diagonal elements from the center circle to the x and y vector elements (also missing) which tie them to the periphery elements. The slicer does extrude those
  4. I appreciate the recent changes in Cura that allow more efficient use of the build plate space when arranging multiple items. But I'm wondering if there is any way to specify limits on the spacing and angular re-orientation applied when doing an Arrange All. I ask because some of the items I print are small and thin (< 15 x 15 x 1.5mm) with even smaller features. Being able to spread them a little further apart would make it less likely that one part coming loose from the bed would take the whole array with it. And keeping the orientation fixed could simplify the process of removing them
  5. Depending on whether the printer was hooked up when Cura was started, you may need to activate the printer before printing to USB shows up as an alternative to save to disk / save to removable drive. To activate the printer, select Settings > Printer > Manage Printers, click on the printer in the list of Preset Printers, then click on the Activate button.
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