![]() ![]() But we will see how to export and use these slicers to check that the output is correct. These programs usually offer advanced configuration possibilities that allow you to tailor the output exactly for the features of your 3D printer.Īctual 3D printing, however, is too vast a subject for this manual. Since many of those printers are home-built, there are often small differences from one to the other. The 3D object is exported to another program (the slicer) which will generate the G-code from the object, by slicing it into thin layers (hence the name), which will reproduce the movements that the 3D printer will do. This is the technique most commonly used for 3D printing. We will now see how to address the third point. When printing in 3D, you must always make sure this loss of quality stays below your minimum requirements.īelow, we will assume that the first two criteria are met, and that by now you are able to produce solid objects with correct dimensions. In any case, some loss of quality of your model will unavoidably occur during the process. The conversion of your models into G-Code can be easy and automatic, but you can also do it manually, with total control over the output. G-code has dozens of different dialects, each machine or vendor usually has its own. Most of them will only understand a machine language called G-Code. No 3D printing or CNC milling system can take FreeCAD files directly. One millimeter will be one millimeter in real-life. ![]() Making sure about the dimensions of your objects.The Part Workbench also contains a Check Geometry tool that is handy to check further for possible defects. We saw in earlier chapters that FreeCAD helps you a lot in that regard, and that the PartDesign Workbench will notify you if you do an operation that prevents your model to stay solid. Real-world objects are solid, the 3D model must be solid too. Making sure that your 3D objects are solid.If you have been cautious while modeling, most of the difficulty you might encounter when printing your model in 3D has already been avoided. This chapter will show you how to get your models ready to send to these machines. These can be designed in FreeCAD, and then made real in different ways, such as communicated to other people who will then build them, or, more and more frequently, sent directly to a 3D printer or a CNC mill. One of the main uses of FreeCAD is to produce real-world objects. * The Prusa i3 Mk3S+ also has its own free slicing software, PrusaSlicer. 3mf format as this file will contain the original design and all of your chosen printer settings in Cura. So, when saving your sliced design it is a good idea to save an additional copy in the. ufp files and change the slicing settings of your model in Cura. ![]() ufp file, (this file contains the gcode needed to print as well as a preview image which will be shown on the printer's display).įor the Prusa i3 Mk3S+, you will save it as a. The software gives you control over many aspects of the print: speed, size of object, orientation, size of filament, quality of print, etc.įor the Ultimaker 2+ Connect, you will slice your design and save it as a. ![]() However, it will be helpful to familiarize yourself with Cura ahead of time. We will cover software settings in detail in our 3D printing workshop. Cura is available for Mac, PC, and Linux. You can download the software for free from the Ultimaker website. Slicing for prints on both the Ultimaker 2+ Connect and the Prusa i3 MK 3S+ can be carried out using the software Cura *. stl format) you want to print, you will need to slice the design and save it in a format that the printer recognizes: g-code. ![]()
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