week 12

 Slicer is a program that turns a 3D model file into a G-code script, which can be interpreted by your machine’s firmware. Without a slicer, your printer would not know how to function. With it, you can specify settings that dictate how your model will be printed. 


Slicer settings are important because every 3D printer is different, every material is different, and every 3D model is different. Printers and materials will therefore always require different settings to achieve a good print quality.

Today, we are going to talk about 5 slicer settings that are fundamental to 3D printing and why they are important.


The first slicer setting will be temperature. The temperature of the nozzle is the single most important setting in your slicer because, without a Goldilocks level of heat (not too cool, not too hot), no print will work. Nozzle temperature should be the first thing you tune on your slicer whenever you begin printing with a new filament, and you can do this by printing a temperature tower to see which values work best. The hotter bed will provide better adhesion which means the time required for 3D printer will be shorter but if too high, could deform on the bed. 


The second slicer setting will be layer heigh and it is the height of each layer of your print.  The smaller the layer height, the more layers will be required in the overall print. Which also means that more time will be required to finish the 3D object. When setting layer height, you want to find a suitable balance between printing time, detail, and part strength.


The third slicer setting will be speed which is also the third powerful slicer setting. Basically, it is just the speed that your 3D printer moves. The faster is it, the shorter time is needed to complete the 3D object. Usually, it’s good to leave specific speed settings alone and only adjust the default speed. In most slicers, a particular speed will be chosen based on your chosen layer height and material, but if you think your printer is up to it, you can experiment with increasing print speed to reduce print times.


The next slicer setting will be infill density. In another word, it means that how dense is your 3D object is to be. While the denser the object is, the more time is needed to complete the object. Infill allows you to better control the strength, weight, material consumption, and internal structure of a part without having to adjust its appearance or external features. In a slicer, infill can be controlled using infill density, set as a percentage, and infill pattern, which is the infill’s structure or form. 


The last slicer setting will be the support.  Supports are structures that hold up overhanging features on models if they meet certain requirements, which can be set in your slicer. These requirements include the overhang angle and the minimum support area. The former determines the minimum angle an overhang has to be before the slicer creates a support to hold it up. 


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