![]() Choosing a Fill pattern will depend on the kind of model, the desired structural strength, print speed, and personal taste. Slic3r offers several fill patterns which will be discussed in more depth in section - Infill Choices. A value of 20% is usually the minimum required to support flat ceilings. Instead, most models can be filled with less material which is then sandwiched between layers filled at 100% (see Solid layers above).Ī density value of 40% is enough to give almost all models good mechanical strength. it makes no sense to 100% fill the model with plastic, this would be a waste of material and take a long time. Because the intermediate layers are likely to be filled with a pattern set less than 100% then the covering layers will have to bridge this pattern and this can require more than one pass to cover completely.įill density is from 0% to 100%. For the bottom layers the important factor to consider is how the surface will look should there be a mistake whilst laying down the first layer, and for this reason it is recommended to have at least two bottom layers.Ī similar consideration is required for the top layers. The upper and lowermost layers that sandwich the model are filled with a Solid layers pattern. Unless the model requires single width walls it is generally recommended to have a minimum of two perimeters as this gives some insurance that if a section of the perimeter is not printed correctly then the second perimeter will help cover it. ![]() Perimeters defines the minimum number of vertical shells (i.e. A later goal will be to strike a balance between layer height, the speed of the printer, and the quality of the resulting print. Print speed - Shorter layers will result in smoother prints but each print will take longer, simply because the extruder must trace the pattern more times. Aesthetics plays a role here, but also the type of model, for example, a mechanical part may not need such a high resolution finish, whereas a presentation piece may do so. There are several factors that influence how high each layer should be:ĭesired resolution - Lower layer height should result in prints with less noticeable ribs or bands, as each layer is smaller. Layer height is the thickness of each layer, and it is the step along the vertical axis taken before extruding a new layer atop the previous one. Print Settings: Layers and Perimeters General.
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